raised countersunk head with milling grooves

Diameter, d

3,5 mm (10)

4,0 mm (12)

4,5 mm (4)

5,0 mm (4)

Headdiameter, dk

7,3 mm (10)

7,9 mm (12)

8,9 mm (4)

9,6 mm (4)

Length, l

mm

to

mm

Recess

HECO-Drive (15)

Pozi-Drive (15)

Size of recess

HD-20 (15)

PZD-2 (15)

Thread length, lg

mm

to

mm