Modified Truss Head Self Tapping Screws & Self Drilling Screws

The modified truss head self tapping screws have two layer cold forged large truss head and always in philips #2 drive (cross recess). Its used to drill on hard material like sheet metals with a sharp point or drilling point. Its made of AISI C1022 steel and heated with zinc coating for black oxide finish which have an excellent driling performance. Modified truss head also called wafer head.

Manufacturer's standard specifications as follows,

Metric
Inch
PCS/BOX
KGS/BOX
4.2*13
8x1/2
1,000
1.5
4.2*16
8x5/8
1,000
1.7
4.2*19
8x3/4
1,000
1.9
4.2*25
8x1
1,000
2.3
4.2*32
8x1.1/4
500
1.3
4.2*41
8x1.1/2
500
1.7
4.2*51
8x2
500
2.0
4.2*65
8x2.1/2
500
2.5
4.2*75
8x3
500
2.8
Size #6 (3.5mm in thread) also available now!

 

  • Modified Truss Head
  • philips wafer head tapping screwsSelf Tapping Screws
  • Drilling Point Screw ZP
  • Self Drilling Screw Black