WT

Diameter, d

4,5 mm (3)

5,0 mm (3)

6,5 mm (9)

8,2 mm (7)

Headdiameter, dk

10,0 mm (7)

7,0 mm (6)

8,0 mm (9)

Length, l

mm

to

mm

Material

carbon steel (16)

stainless steel A2 (6)

Size of recess

T-20 (6)

T-30 (9)

T-40 (7)

Surface

Durocoat E15 (3)

W15 (6)

bright zinc plated, A3K (13)

Thread

secondary thread (21)

secondary thread with special thread length (1)

Thread length, lg

mm

to

mm

Thread length, lg2

mm

to

mm