-40%
Alloy Steel Metric Thread Dies Screw Threading Tools M1 M2 M3 M4 M5 tO M20
$ 2.05
- Description
- Size Guide
Description
Material: alloy steelName: round die
Specification:
M1-M20
Standard: UNC
Purpose: the tool for machining external thread is composed of cutting part, positioning part and chip removal hole
For example, M12 d = 12-0.13 * 1.75 = 11.7