Basic supply information

Standard: DIN7982, corresponding to the international standard ISO7049.DIN7981 and ISO7949 have slight differences in the thickness and diameter of the head of the product

Groove type: H: cross groove Z: rice groove

Tail: C tail vertebra end F tail flat end

Specification: st2.2-st6.3, length 1.3-120mm
 

Head: Angle of countersunk head varies according to the standard.DIN7982 is 80°, ISO7050 is 90°, and each upper limit is +2°

Specification: the marking method of self-tapping specification is different from machine screws. The nominal diameter range of screw thread in the specification supplied by our company is st2.2-st6.3mm, and the length L is 4.5-160mm

Tolerance: refer to iso4759-1 (against gb GB3103.1, din 267-12)

Material: carbon steel, stainless steel A2/A4.Our countersunk head from tapping are original imported products, material to austenitic stainless steel