unifled recess

2012-12-25 16:53 Source:未知 Writer: admin
Unified Raised Countersunk Head Machine Screws - PoziDriv® - Type 1A
ANSI/ASME  B18.6.3 2003
Steel 4.8/Zinc & clear 
Stainless steel/Self colour 
Brass/Self colour

Quick Contact


Self tapping screw introduction and specification

Individual refers to the pointed, coarse, hard wood screws, but also for the aluminum alloy, plastic....

Screw processing - surface treatment

Self tapping screw surface treatment through a certain process on the workpiece surface to form a lay...