HSS Threaded Screw Metric Touch Drill Touch

We are the professional manufacturer of hardware tool accessories, specialized in drill bits, hole saw, cutting discs and various tool sets. Besides, we also supply kinds of hand tools, include measuring tapes, caulking guns, cable ties,etc. 

We have our professional technicians, advanced production machines and an integrated sales team. We can take the full responsibility for the whole process, including design, manufacture, package and after-sales service. We also provide OEM, accept customize according to client’s request. 

Hand tap HSS imperial size standard

Tap size	P.per inch
1/8	40
5/32	32
5/16	18
3/8	16
7/16	14
1/2	12
9/16	12
5/8	11
11/16	11
3/4	10
7/8	9
1	8

• Made of High-speed Steel 4341, Hard, Rustproof, Solid and Durable.

• Suitable for Low Hardness Materials Such as Wood, Aluminium Plate, Plank, Plastic, or Sheet Iron (thickness of less than 3mm).

• One-step Processing, Drilling, Tapping, Deburring and Countersinking in One Operation, Working Efficiently and Saving Time and Labor.

• Back Tapered Beyond Tap to Prevent Thread Damage From Over-drilling.