Pre-drill and countersink to drive screws flush with the material surface or deep hole counter boring for driving screw heads below the surface. Ultra-sharp cutting flute clears chips efficiently and leaves a clean, smooth hole. Adjustable drill bit length for desired screwed depth, and features a flattened shank for a no-slip countersink connection.
Precision made for drilling accuracy and high-torque driving applications. Get jobs done easier, faster and with professional results.
3mm(Dia) x 60mm(L)
4mm (Dia)x 75mm(L)
5mm(Dia) x 85mm(L)
6mm (Dia)x 93mm(L)
7mm(Dia) x 10mm(L)
8mm (Dia)x 11mm(L)
10mm(Dia) x 12mm(L)
7pcs x woodworking chamfer
1pc x L-wrench (other accessories are not included)
Countersink or counterbore clean, smooth holes for screws and fasteners.
Drilling length can be adjusted for various length screws simply by loosening and tightening the set.
Speed shank eliminates tool from slipping in drill chuck
Fits all brands
Allen wrench for drill bit depth adjustments and replacement
High-speed steel material, high strength, good willful
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30 days money back guarantee
Shipping & Delivery
USA (with USPS): 5-10 days
Europe: 2 - 3 weeks
Worldwide: 3 - 5 weeks
Free worldwide shipping on all orders over $30. Shipping costs vary per country and are calculated at checkout.
money back guarantee
We offer a 30 days money back guarantee. If you are not satisfied with the product, you can return the product to us and we will give you a refund.