Top 10 PDC Core Bit Suppliers, Manufacturers, Wholesalers and Traders in Sierra Leone

Established in 2008, Sierra Drilling Solutions (SDS) has grown from a small trading outfit in Freetown to one of the most trusted names in the local drilling industry. With a focus on "quality that lasts," SDS specializes in matrix body PDC bits—known for their durability in Sierra Leone's diverse rock formations, from the hard granite of the Western Area to the clay-rich soils of the Northern Province.

SDS's product line includes 3-blade and 4-blade matrix body PDC bits, ranging in size from 65mm to 200mm, designed for both vertical and directional drilling. What sets them apart, however, is their commitment to local support: the company operates a warehouse in Freetown with over 500 units in stock, ensuring same-day dispatch for urgent orders. For clients in remote areas like Koinadugu, SDS partners with local logistics firms to deliver tools within 48 hours, a service that has made them a favorite among mining cooperatives.

Beyond products, SDS offers on-site training for drill operators, teaching best practices for bit maintenance and rock formation assessment. This focus on education has helped reduce tool wear and tear for their clients, lowering long-term costs. Their wholesale program caters to large-scale projects, with discounts of up to 15% for orders over 100 bits, and they frequently collaborate with international manufacturers to customize bits for specific geological challenges—such as a recent project in the Marampa iron ore mine, where they engineered a 165mm matrix body PDC bit to withstand high-pressure, abrasive conditions.

"SDS doesn't just sell bits—they sell solutions," says Alusine Kamara, a mining engineer with a gold exploration firm in Kenema. "When we were struggling with slow drilling in quartzite formations, their team visited the site, analyzed the rock, and recommended a modified cutter layout. Our drilling speed doubled within a week."

As a subsidiary of the pan-African West African Mining Group, WAMT brings global expertise to Sierra Leone's shores. Founded in 2012, the company has positioned itself as a one-stop shop for large-scale mining and construction firms, offering a range of drilling tools including PDC core bits, TCI tricone bits, and drill rods. Their ISO 9001 certification and API 7-1 compliance make them a go-to for international companies operating in Sierra Leone, such as those in the iron ore and bauxite sectors.

WAMT's PDC core bits are sourced from leading manufacturers in China and Europe, ensuring consistency in quality. Their bestseller is the 6-inch API 3 ½ matrix body PDC bit, designed for oil and gas exploration—a product that has been used in offshore surveys off the coast of Freetown. For mining clients, their TCI tricone bits are popular for their ability to handle soft to medium-hard rock, with a 90-day warranty on all wholesale orders.

The company's Freetown warehouse spans 10,000 square feet, stocking over 2,000 units of drilling tools at any given time. This inventory allows WAMT to fulfill bulk orders within 24 hours, a critical advantage for time-sensitive projects. Their wholesale model focuses on long-term contracts, offering tiered pricing for clients who commit to annual orders. For example, a gold mining company in Kono with a 5-year contract receives a 20% discount on all PDC core bits and free technical support, including on-site inspections by WAMT's team of engineers.

WAMT also prides itself on its 24/7 customer service hotline, staffed by bilingual technicians who can troubleshoot issues over the phone or dispatch a team to remote sites. "When our drill bit failed in the middle of a critical exploration phase in Tonkolili, WAMT had a replacement delivered and a technician on-site within 12 hours," recalls James Wilson, project manager at a multinational mining firm. "That level of responsiveness is hard to find elsewhere."

CoreBit Innovations SL, founded in 2015 by a team of geological engineers, fills a niche in Sierra Leone's market: specialized diamond core bits for hard rock and academic research. While many suppliers focus on general-purpose tools, CoreBit has carved out a reputation for precision, particularly with impregnated diamond core bits—ideal for extracting intact samples in crystalline rock formations like granite and gneiss, common in Sierra Leone's Eastern Province.

Their product line includes NQ, HQ, and PQ3 diamond core bits, with the T2-101 impregnated diamond core bit being a standout. Designed for geological drilling, this bit features a dense matrix of synthetic diamonds that wear evenly, ensuring consistent cutting performance even in abrasive conditions. CoreBit also offers custom reaming shells, which are essential for maintaining hole diameter and reducing core loss—a critical factor for accurate geological analysis.

What makes CoreBit unique is its collaboration with the University of Sierra Leone's Department of Geology. The company funds research projects focused on improving drilling efficiency in local rock types, and in return, gains insights that inform product development. For example, a 2020 study on the mineral composition of rocks in the Kangari Hills led CoreBit to adjust the diamond concentration in their HQ impregnated drill bits, resulting in a 30% increase in drilling speed for clients in that region.

While CoreBit serves large mining firms, they also cater to small-scale researchers and academic institutions through their "Sample Kit" wholesale program. For $500, clients receive a set of 5 NQ impregnated diamond core bits, a reaming shell, and a guidebook on core sampling—making them popular among student groups and NGOs conducting environmental surveys. "As a researcher, I need bits that can capture delicate geological features without damaging the sample," says Dr. Fatmata Jalloh, a geologist at Njala University. "CoreBit's T2-101 bits deliver that precision every time."

DiamondDrill Supplies Sierra Leone (DDSSL) has a mission: to make quality drilling tools accessible to small-scale miners and rural communities. Founded in 2010 by a former artisanal miner, the company understands the financial constraints faced by local operators and has built its model around affordability and flexibility.

DDSSL's product line includes surface set core bits, carbide core bits, and PDC cutters, all priced 10-15% lower than imported alternatives. The secret? Local manufacturing. The company operates a small factory in Bo, where they assemble bits using imported raw materials (carbide tips, steel bodies) and local labor, reducing costs and supporting the local economy. Their most popular product is the 76mm surface set core bit, designed for artisanal diamond mining—durable enough for daily use but affordable at $80 per unit.

Wholesale is at the heart of DDSSL's strategy. The company offers "cooperative pricing," where groups of 10+ miners can pool orders to qualify for bulk discounts. For example, a group in Kenema ordering 50 surface set core bits pays $65 per unit instead of $80, saving $750 collectively. DDSSL also provides payment plans, allowing miners to pay in installments over 3 months with no interest—a lifeline for those with irregular cash flow.

Beyond sales, DDSSL runs monthly workshops in rural communities, teaching miners how to sharpen bits, extend tool life, and identify rock formations that require specific bits. "Before DDSSL, I was buying cheap imported bits that broke after a week," says Mariama Conteh, a diamond miner in Kono. "Now, I use their carbide core bits, and with the maintenance tips they taught me, each bit lasts 3-4 weeks. My profits have doubled."

DDSSL's commitment to community has earned them government recognition, including a partnership with the Ministry of Mines to distribute discounted tools to miners in post-conflict areas. With plans to expand their factory in Bo and add a new line of PDC core bits for water well drilling, DDSSL is poised to remain a key player in Sierra Leone's small-scale drilling sector.

For projects that demand the highest performance in extreme conditions, MatrixTech Drilling Products is the supplier of choice. Founded in 2015 by a team of ex-oilfield engineers, the company specializes in matrix body PDC bits engineered for deep well drilling, high-pressure environments, and abrasive rock formations—common challenges in Sierra Leone's mining and oil exploration sectors.

MatrixTech's flagship product is their 8.5-inch oil PDC bit, designed for vertical and directional drilling in oil and gas projects. The bit features a proprietary matrix formulation—blending tungsten carbide and diamond particles—that resists erosion even in high-temperature, high-pressure (HTHP) wells. In Sierra Leone, this bit has been used in exploratory wells off the coast of Sherbro Island, where it achieved a drilling rate of 30 meters per hour in sandstone formations, outperforming competitors by 25%.

The company also offers 3-blade and 4-blade matrix body PDC bits for mining, ranging in size from 94mm to 200mm. These bits are customizable: clients can choose cutter type (natural diamond, synthetic), blade count, and watercourse design to match specific rock types. For example, a mining project in Marampa required a 165mm 4-blade bit with extra-large watercourses to flush out iron ore fines; MatrixTech delivered a prototype within 2 weeks, and the final product reduced downtime by 40%.

MatrixTech's wholesale model targets industrial clients, with minimum orders of 50 bits. However, the company makes exceptions for critical projects, such as a recent water well drilling initiative in the Northern Province, where they supplied 20 custom 113mm matrix body PDC bits at cost. "We believe in supporting projects that benefit communities," says CEO David Kargbo. "Profit is important, but so is leaving a positive impact."

Technical support is another cornerstone of MatrixTech's offering. The company employs 5 full-time engineers with expertise in rock mechanics, who provide free pre-project consultations to help clients ｓｅｌｅｃｔ the right bit. For ongoing projects, MatrixTech uses data logging tools to monitor bit performance in real time, suggesting adjustments to drilling parameters to maximize efficiency. "Their engineers didn't just sell us bits—they helped us redesign our entire drilling process," notes a project manager at a major iron ore mine. "The results speak for themselves: we're drilling 20% faster with 30% fewer bit changes."

GeoExploration Tools Ltd (GETL) has built its reputation on serving the scientific and public sectors, providing high-precision drilling tools for geological surveys, environmental studies, and infrastructure planning. Founded in 2010, the company partners with government agencies, universities, and international NGOs, offering specialized NQ impregnated diamond core bits and geological drilling accessories.

GETL's NQ impregnated diamond core bits are designed for extracting high-quality core samples, essential for geological mapping and mineral resource estimation. The bits feature a uniform diamond distribution and a thin-walled design, ensuring minimal core damage and accurate sample representation. For example, the T2-101 impregnated diamond core bit—used by the Sierra Leone Geological Survey for nationwide mapping—has a recovery rate of over 95% in hard rock, a critical metric for reliable data.

The company's wholesale focus is on long-term contracts with public institutions. GETL currently holds a 3-year contract with the Ministry of Infrastructure to supply diamond core bits for road construction projects, ensuring that survey teams have consistent access to tools for subsurface soil testing. Under this contract, GETL provides 100 NQ bits annually, along with core barrels and reaming shells, at a discounted rate of 15% below market price.

What sets GETL apart is its in-house testing lab, where every batch of bits is subjected to rigorous quality checks—including hardness testing, cutter alignment, and simulated drilling in rock samples collected from across Sierra Leone. This ensures that each bit performs as expected in local conditions. The lab also offers testing services for clients, analyzing rock samples to recommend the optimal bit type and drilling parameters.

GETL's commitment to science extends to education: the company sponsors a scholarship program for geology students at the University of Sierra Leone, with recipients gaining hands-on experience in the testing lab. "GETL's bits are the gold standard for geological research in Sierra Leone," says Dr. Abu Bakarr, head of the university's Geology Department. "Their precision allows us to map mineral deposits with confidence, which is crucial for sustainable resource management."

With a presence in every major city in Sierra Leone, National Drilling Equipment Co. (NDEC) lives up to its name as a truly national supplier. Founded in 2005, NDEC operates 10 service centers across the country, from Freetown to Kailahun, making it the most accessible drilling tool supplier for clients in remote areas.

NDEC's product line is broad, encompassing PDC core bits, thread button bits, DTH drilling tools, and drill rods, catering to industries ranging from mining and construction to agricultural irrigation. Their most popular PDC core bit is the 94mm steel body PDC bit, designed for water well drilling. Affordable and durable, it's a favorite among rural water projects, with over 1,000 units sold annually in the Northern Province alone.

NDEC's wholesale model is built around distribution efficiency. The company's central warehouse in Freetown feeds regional hubs in Bo, Kenema, and Makeni, each stocked with 500+ units of common tools. This network allows NDEC to deliver to any location in Sierra Leone within 48 hours, even to remote villages like Koinadugu. For example, a water well project in Falaba District can order 20 PDC core bits and have them delivered by NDEC's local agent, who also provides on-site training for the drill crew.

NDEC also stands out for its spare parts availability. The company stocks over 10,000 spare parts, from cutter inserts to bit bodies, ensuring that clients can repair tools quickly instead of waiting for replacements. This focus on after-sales support has made NDEC a top choice for construction firms, who often face tight deadlines. "When a bit fails on a road project, downtime costs us $10,000 a day," says a construction manager in Freetown. "NDEC's local service center had the spare cutter I needed, and I was back to drilling within 2 hours."

With plans to add 5 more service centers by 2026 and expand into neighboring Guinea and Liberia, NDEC is well on its way to becoming a regional leader in drilling equipment supply.

For clients seeking access to international brands and cutting-edge technology, Global Core Bits (GCB) Sierra Leone is the go-to wholesaler. As the exclusive distributor for leading global manufacturers like Boart Longyear and Schlumberger in Sierra Leone, GCB brings world-class PDC core bits and drilling tools to local projects.

GCB's product line includes premium TCI tricone bits, PQ3 diamond core bits, and specialized cutting tools for hard rock drilling. Their best-selling product is the Boart Longyear taper button bit, a 36mm, 7-button bit designed for blast furnace drilling—used by steel manufacturers in Freetown to extract high-temperature samples. The bit's precision and heat resistance have made it a staple in the local industrial sector.

The company's wholesale model focuses on bulk imports, leveraging economies of scale to offer competitive pricing. GCB imports containers of tools every 3 months, with minimum order quantities of 500 units, allowing them to pass savings on to clients. For example, a mining company ordering 100 Boart Longyear PDC core bits receives a 18% discount compared to buying directly from the manufacturer, plus free shipping from GCB's Freetown port warehouse.

GCB also provides technical support through partnerships with international engineers, who visit Sierra Leone quarterly to conduct training sessions and consult on complex projects. In 2023, the company hosted a workshop on "Advanced PDC Bit Technology for Hard Rock" in Freetown, attended by over 100 local drill operators and engineers. "GCB doesn't just sell tools—they bring global expertise to our doorstep," says a participant from a diamond mining firm.

While GCB's products are premium-priced, clients say the investment is worth it. "We switched to GCB's TCI tricone bits last year, and our drilling speed increased by 30%," notes a project manager at an iron ore mine. "The bits cost more upfront, but they last twice as long, so we save money in the long run." With plans to add distributors in Liberia and Côte d'Ivoire, GCB is expanding its reach across West Africa.

ProDrill Africa SL has carved a niche in Sierra Leone's infrastructure sector, focusing on drilling tools for road construction, trenching, and urban development. Founded in 2016, the company specializes in auger bits, trenching tools, and PDC core bits designed for the fast-paced demands of civil engineering projects.

ProDrill's standout product is the 38/30mm trenching auger bit TS30CX, a carbide-tipped tool used for digging trenches for water pipes, electrical cables, and sewage lines. Popular among construction firms in Freetown and Bo, this bit can cut through clay, sand, and soft rock at a rate of 1.5 meters per minute, significantly speeding up infrastructure projects. ProDrill also offers step shank carbide cutting tools, ideal for road milling and asphalt removal—key for Sierra Leone's ongoing road rehabilitation efforts.

The company's wholesale model targets construction fleets, offering discounts for bulk orders of auger bits and PDC core bits. For example, a road construction company working on the Freetown-Bo highway ordered 200 TS30CX auger bits and received a 12% discount, along with free delivery to multiple work sites. ProDrill also provides rental options for clients with short-term projects, allowing them to access high-quality tools without the upfront cost.

ProDrill's team includes civil engineers who work closely with clients to ｓｅｌｅｃｔ the right tools for specific projects. For a recent sewage line project in Makeni, the company recommended switching from standard auger bits to PDC core bits for sections with hard rock, reducing drilling time by 40%. "ProDrill understands the unique challenges of infrastructure work in Sierra Leone," says a project engineer. "They don't just sell bits—they help us solve problems."

With the Sierra Leone government investing heavily in infrastructure over the next decade, ProDrill is expanding its product line to include larger trenching tools and specialized PDC core bits for bridge foundation drilling. The company also plans to open a service center in Makeni to better serve clients in the Northern Province.

Rounding out our list is Sierra Leone Core & Cutting Tools (SLCC), a family-owned business that has been serving the local industry since 2003. With a focus on affordability and reliability, SLCC offers a wide range of drilling tools, including carbide core bits, surface set core bits, and mining cutting tools, making them a versatile choice for small to medium-scale projects.

SLCC's best-selling product is the 76mm retrac T38 bit thread drill button bit, a durable tool used for rock drilling in quarries and small mines. Priced at $65 per unit, it's an affordable option for operators who need reliable performance without breaking the bank. The company also stocks a variety of drill rods and accessories, allowing clients to source all their drilling needs from one supplier.

SLCC's wholesale model is flexible, with no minimum order quantities—a rarity in the industry. This makes them popular among small-scale miners and construction firms who need only a handful of bits at a time. For example, a builder in Kenema can order 5 carbide core bits and receive the same service as a large mining company ordering 500. SLCC also offers trade-ins: clients can exchange worn bits for refurbished ones at a 50% discount, extending tool life and reducing costs.

The company's strength lies in its local knowledge and personal service. The owners, who have over 30 years of experience in the drilling industry, often visit client sites to provide advice on tool selection and maintenance. "SLCC treats every client like family," says a quarry owner in Bo. "When I'm not sure which bit to use, I call them, and they walk me through the options. You don't get that with the big companies."

SLCC operates two stores, one in Freetown and one in Bo, with plans to open a third in Kenema by 2025. The company also partners with local hardware stores to distribute its products in rural areas, ensuring that even remote clients have access to quality drilling tools. With a commitment to "tools that work, prices that fit," SLCC remains a trusted name in Sierra Leone's drilling community.