5pcs Drill Bit Set Woodworking Drill Bit Kit Drilling Pilot HolesScrew Sizes #5 #6 #8 #10 #12

Description:                     
Four piece set includes bits for drilling pilot holes for screw sizes #5, #6,#8,#10 and #12
Special designed steel counter sleeve countersinks or counter bores pilot hole
Adjustable counter sleeve depth with Allen wrench
Standard hex shank is quick change compatible
Drill and countersink for wood screws without changing bits
Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew

Specifications:
Color: As the pictures show
Material: HSS Drill 4241
Black chamfer drill body material: steel 45
Dimension:
5# 1.98mm(0.07795 inch)x 50mm(L)
6# 2.38mm (0.0937 inch) x 55mm(L)
8# 2.78mm (0.1094 inch) x 60mm(L)
10# 3.175mm (0.125 inch) x 63mm(L)
12# 3.56mm (0.14 inch) x 65mm(L)
Shank: 1/4 hex shank

Applicarion:

On the same axis, tighten the screw after screw cap is located below the level of the board!
Suitable for drilling or mechanical joints with Chuck,and drilling in hard wood and wood floor.

Our qualifications

Shenzhen Youfu Tools Co., Ltd. is a technology company engaged in research, development, production and sales. With professional qualifications, state-of-the-art technology and a diligent R&D team, a series of "YOUFU" trademark hardware tools and electronic tools such as screwdrivers, kits. Pliers, Allen wrenches, tweezers digital calipers, welding and rework stations, ultrasonic cleaners, heat guns, glue guns and anti-static technology. Most products have passed CE, UL, SGS and 3C certification. *Technical advantages: We have advanced production equipment and efficient production lines to ensure high quality products and large orders with reasonable short delivery times. *Factory: Our own factory.

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We can provide free samples to our customers, but we do not charge shipping fees. You will need to pay for the sample.
4. Why should i trust you？
1. Audited supplier verification.
2.We have already registered Company
Shenzhen youfu tools Co., Ltd (China mainland)
Business Registration Certificate: 440301104589006
5. What is your advantage？
1. Various products in low MOQ and competitive prices.
2. Professional website platform and one-to-one online service.
3. We have ourselves factory. We accept the order If you want to customize products or design the product.
4. Fast delivery – within 2-3 working days.
5. Products are all covered with warranty and insurance.