Specifications
- # 6 x 3/8" ~ # 14 x 8".
- 3.5 x 9.5 mm ~ 6.3 x 203 mm.
- According to customer's special request on Drilling Capacity:
- # 10 drill 6.00 steel plate per customer's special request.
- Drilling speed test: drilling time machine within 2 seconds with 1.20-1.60 mm steel plate.
- According to customer's special request on Punch (Drive): Double square drive, torx drive, square drive, square/phillips.
- Mechanical property per IFI & DIN specification:
- Hardness:
- Core hardness: HRC32-40
- Surface hardness: HV560-650
- Case depth: 0.004" ~ 0.009"
- Meet ductility, finish and hydrogen embattlement test.
- Torsion strength: meet minimum 42 lb
- Random inspection during every working step and every lot. The lot size is around 500,000 pcs. Sometimes it is depended on customers' request.
Main Products
Self Drilling Screw, Special Screw, Washer and Nuts