6pcs 1/4" Hex Shank HSS Twist Tap Drill Bit Set M3-M10 For Drilling Tapping Cutting

6pcs Combination 1/4" Hex Twist Tap Drill HSS M3-M10 Bit Set

Description:

1. Material:HSS 4241,4341,6542,M35

2. Hardness:HRC 60-68

3. Process:Fully Ground

4. Point:118/135 degree split point

5. Surface:Black Oxide,Bright,Amber finished,Ti-coated.

6. Usage:Drilling,Tapping,Chamfering on metal

7. Shank:1/4"Hex shank

Features:

1. Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.
2. Fast replacement composite cone, uses drill edged principle.
3. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.
4. Self-centering point, do not need assistant center drilling or center punching.
5. High hardness, rustproof, solid and durable.

Size:

6x Drill Tap Countersink 

Delivery:

1. Delivered by Sea,Air,Express

2. 20-30Days after your deposite,as your order quantity.

Sample Policy:

1. We can provide samples for free if required.

2. Samples can be delivered about 7-10days.

Payment:

1. We can accept L/C,T/T,Western Union,Paypal.

2. 20%-30% payment in advance,the balance before shipment or against copy of B/L.