COUNTER SINK DRILL BIT 6/8/10/12MM BCV4SU
KSh 1,900.00
The Counter Sink Drill Bit Set 6/8/10/12 mm BCV4SU is a set of stepped bits designed to drill pilot holes and corresponding countersink recesses in wood and soft materials. It enables screw heads to sit flush with or below the surface in joinery and finishing work. Suitable for fundis, carpenters, and DIY woodworking projects.
What This Product Is and How It Works
The Counter Sink Drill Bit Set 6/8/10/12 mm BCV4SU comprises four stepped drill bits that combine a pilot drill with a countersink profile into one tool. As the bit advances, the pilot section forms a hole for the screw shank, while the larger countersink portion cuts an angled recess for the screw head.
This eliminates the need for separate pilot drilling and countersinking operations, improving efficiency and accuracy in woodworking and finishing tasks.
Material Quality, Durability and Environmental Performance
These countersink bits are typically manufactured from high‑speed steel (HSS) or a similar hardened alloy to provide a balance of toughness and abrasion resistance. The cutting edges are heat‑treated to maintain sharpness and provide a consistent cutting profile across multiple uses.
Under typical Kenyan workshop conditions — including dust and moderate humidity — the bits perform reliably when used with appropriate drilling speeds and steady feed pressure. Occasional resharpening extends useful life.
Installation, Handling and Compatibility
Use with standard electric or cordless drills fitted with keyed or keyless chucks that accept the stepped shank sizes. Select the desired bit size based on the screw diameter and secure it in the drill chuck. Mark the drilling point, align the pilot tip, and advance steadily until the countersink depth matches the screw head profile.
Apply firm, consistent pressure without forcing, and withdraw periodically to clear chips. Eye protection is recommended during operation. This set is optimised for wood and similar materials; it is not intended for masonry or metal without confirming material suitability.
Typical Applications in Kenya
This countersink bit set is commonly used in woodworking, carpentry, furniture making, and interior finishing. Typical applications include pilot drilling and countersinking for screws in timber frames, cabinetry, decking, door and window trims, and joinery installations.
Carpenters, joiners, fundis, and home improvers use these bits to ensure screw heads sit flush with or below the wood surface, improving aesthetics and reducing snagging. For more drilling accessories, browse the full range in our Shop or explore the Power Tool Accessories Category.
4. TECHNICAL SPECIFICATIONS TABLE
| Specification | Value |
|---|---|
| Product Type | Countersink drill bit set |
| Model Number | BCV4SU |
| Number of Pieces | 4 |
| Bit Sizes | 6 mm, 8 mm, 10 mm, 12 mm |
| Material | High‑speed steel (HSS) or equivalent (confirm on request) |
| Shank Type | Straight shank (confirm on request) |
| Suitable Materials | Wood, plywood, MDF, soft board |
| Recommended Drill Types | Electric and cordless drills |
| Finish / Coating | Specification varies by supplier batch |
| Packaging | Set holder or card |
| Country of Origin | Confirm on request |
5. PRODUCT ATTRIBUTES (WooCommerce Ready)
Material: High‑speed steel (HSS) or equivalent
Size / Dimensions: 6 mm, 8 mm, 10 mm, 12 mm
Color: Specification varies by supplier batch
Finish: Specification varies by supplier batch
Application: Pilot and countersink hole drilling in wood
Brand: BCV
Unit of Sale: 1 set (4 pieces)
Country of Origin: Confirm on request
6. PRODUCT CATEGORIES
Power Tool Accessories
Power Tool Accessories Category
7. INTERNAL NAVIGATION LINKS
Browse all drilling and accessory tools in our Shop.
Learn more about Ngong Hills Merchants on our About Us page.
For specification confirmation or stock availability, visit our Contact Us page.
Explore similar products in the Power Tool Accessories Category.
8. RELATED PRODUCTS
Related Products:
Wood Drill Bit 8 × 300 mm BCM8×3
Total Drill Bits 19‑Piece Set
Router Chamfer Bit 16 mm 819
KSEIBI Flat Spade Drill Bit 8 × 152 mm
🚚 Shipping & Delivery Information – Ngong Hills Merchants
At Ngong Hills Merchants, we are committed to ensuring your orders reach you safely, quickly, and conveniently—no matter where you are in Kenya.
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We deliver countrywide across Kenya, including:
Nairobi & surrounding areas (same-day or next-day delivery)
Kiambu, Kajiado, Machakos, and Nakuru counties (1–2 working days)
Other major towns across Kenya via reliable courier partners (2–4 working days)
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