Drill Point Dies to form point of self drilling screws：

HSS + Tin Coating

Tungsten carbide / steel

DIN standard or special order

Style I / MA

Style II / MB

Style III / MC

ST3.5 L2-28

ST3.9 L2-32

ST4.2 L3-34

ST4.8 L3-39 L3-41

ST5.5 L3-47

ST6.3 L3-55

Work with Self Drilling Screw Point Forming Machine, like machine model AE-5150D, AE-6200D, ST1405, ST1606, ST1808, PM-200 etc.