xingfeng screw hexagonal head self-drilling screw roof screw carbon steel screw

British Standard Thread Dimensions
10-24, 10-32, 2-56, 2-64, 3-48, 3-56, 4-36, 4-40, 4-48, 6-32, 6-40, 8-32, 1/4-20, 1/4-28
Metric thread dimensions
m10, m12, m16, m2, m2.5, m3, m3.5, m4, m5, m6, m8
Metric thread pitch
0.45mm 0.4mm 0.5mm 0.6mm 0.7mm 0.8mm 1.0mm 1.25mm 1.5mm 1.75mm 2mm
Length options:
1"1/16 1"1/2 1"1/4 1"1/8 1"3/16 1"3/4 1"3/8 1"5/8 1"7/8 1/2 1/4 1/8" 100mm10mm 11/16" 12mm 13/16" 14mm 15mm 16mm 2"2/2 2"1/4 20mm 25/64" 25mm 3/16"3/16" 3/32" 3/4" 3/8" 30mm 35mm 40mm 42mm 45mm 4mm 5/16" 5/32" 5/8" 50mm55mm 5mm 60mm 65mm 6mm 7/16" 7/8" 70mm 75mm 7mm 80mm 8mm 9/16" 9/32" 9/64)

Inch Thread Size
10-24, 10-32, 2-56, 2-64, 3-48, 3-56, 4-36, 4-40, 4-48, 6-32, 6-40, 8-32, 1/4-20, 1/4-28
Metric thread size
m10, m12, m16, m2, m2.5, m3, m3.5, m4, m5, m6, m8
Metric thread pitch
0.45mm 0.4mm 0.5mm 0.6mm 0.7mm 0.8mm 1.0mm 1.25mm 1.5mm 1.75mm 2mm
Length options.
1"1/16 1"1/2 1"1/4 1"1/8 1"3/16 1"3/4 1"3/8 1"5/8 1"7/8 1/2 1/4 1/8" 100mm10mm 11/16" 12mm 13/16" 14mm 15mm 16mm 2"2/2 2"1/4 20mm 25/64" 25mm 3/16"3/16" 3/ 32" 3/4" 3/8" 30mm 35mm 40mm 42mm 45mm 4mm 5/16" 5/32" 5/8" 50mm55mm 5mm 60mm 65mm 6mm 7/16" 7/8" 70mm 75mm 7mm 80mm 8mm 9/16" 9/32" 9/64)