Description

. Adjustable counter sleeve depth with standard hex which is quick-changing. This item is a set of 4pcs countersink drill bits with hex shank, which are made of hard durable HSS. Special designed steel counter sleeve countersinks or counter bores pilot hole

Features

- 6# 2.38mm (0.0937 inch)
- Four piece set includes bits for drilling pilot holes for screw sizes #6, #8, #10, and #12.
- Standard hex is compatible.

- Simultaneously countersink and counter bore screw pilot holes.
- Shank: 1/4 hex shank.
- 10# 3.175mm (0.125 inch)
- Special designed steel counter sleeve countersinks or counter bores pilot hole.
- 12# 3.56mm (0.14 inch)
- 8# 2.78mm (0.1094 inch)
- Adjustable counter sleeve depth with Allen wrench.
- Color: mainly black.
- Material: HSS Drill 4241.
Carpenter drill bit

4 * Countersink Drill Bit 1 * Hex

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