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Self Drilling Screw

Hex Flange Head Self Drilling Screw
hex flange head drilling screw
Type AB thread # 3 point With the EPDM washer
Material : C1022
Coating: Yellow Zinc, Zinc
Dia 4.8 mm 5.5 mm 6.3 mm
Torsion Strength (LB/in.) 61 min. 92 min. 150 min.
Case Hardness (HV/0.3Kg) 560 – 730 560 – 730 560 – 730
Drilling Time (Sec.) 7.0 11.0 13.0
Drilling Thickness 2 + 2 2 + 3 2 + 3
Dia Length(L)
4.8 16 19
5.5      – 19 25 35 45 55 65 75 90 100 125 135 150
6.3      – _ 25 35 45 55 65 75 90 100 125 135 150
Hex Washer Head SelF Drilling Screw
hex washer head self drilling screw
Type AB thread # 3 point, With metal bonded washer
Material: C1022
Coating: Yellow Zinc, Zinc, Ruspert
Dia 4.8 mm 5.5 mm 6.3 mm
Torsion Strength (LB/in.) 61 min. 92 min. 150 min.
Case Hardness (HV/0.3Kg) 560-730 560 – 730 560 – 730
Drilling Time (Sec.) 7.0 11.0 13.0
Drilling Thickness 2 + 2 2 + 3 2 + 3
Dia Lenght(L)
4.8 16 19
5.5      – 19 25 35 45 55 65 75 90 100 125 135 150
6.3      – _ 25 35 45 55 65 75 90 100 125 135 150
Truss Head Drilling Screw
truss head self drilling screw
Type AB thread # 2 point
Material: C1022
Coating: Zinc, Black Phosphate
Dia 4.2
Torsion Strength (LB/in.) 39 min.
Case Hardness (HV/0.3Kg) 560 – 730
Drilling Time (Sec.) 5.0
Drilling Thickness 1.5 + 1.5
Lenght  (l)
13 16 19 32 25 32 38
Pan Head Drilling Screw
pan head screw
Type AB thread # 2 point
Material: C1022
Coating: Yellow Zinc, Zinc,
Dia 3.5 4.2 4.8
Torsion Strength (LB/in.) 24 min. 39 min. 56 min.
Case Hardness (HV/0.3Kg) 560 – 730 560 – 730 560 – 730
Drilling Time (Sec.) 4.0 5.0 7.0
Drilling Thickness 1 + 1 1.5 + 1.5 2 + 2
Dia Lenghts  (l)
3.5 10 13 16 19
4.2 13 16 19 25 32 38
4.8 13 16 19 25 32 38
CSK Flat Head Self Drilling Screw
countersunk head screw
Type AB thread # 2 point
Material: C1022
Coating: Yellow Zinc, Zinc
Dia 3.5 mm 4.2 mm 4.8 mm
Torsion Strength (LB/in.) 24 min. 39 min. 56 min.
Case Hardness (HV/0.3Kg) 560 – 730 560 – 730 560 – 730
Drilling Time (Sec.) 4.0 5.0 7.0
Drilling Thickness 1 + 1 1 + 1 1 + 1
Dia Lenghts  (l)
3.5 10 13 16 19
4.2 13 16 19 25 32 38
4.8 13 16 19 25 32 38