Specification

M2~ M22

Grade

Gr1,Gr2,Gr3,Gr4,Gr5(Ti-6AL-4V),TA1 TA2 TC4, etc.

Thread type

A:Triangle thread: (60 degrees): Combination / lock
B:Triangular thread: (55 degrees): Combination / lock
C:Trapezoidal thread (30 or 29 degrees): Power Transmission
D:Square thread (90 degrees): Power Transmission

Head Code

Flate,Oval,Round,Pan,Truss,Hex,etc.

Drive code

A:Slotted(Minus)

B:Phillips(Plus)

C:phil-Slot

D:Hex Scoket

E:One way etc.