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Jiahui Fasteners has the knowledge and experience to quote and supply to your specific requirements, including custom items or unique applications.

Applications

Used with bolts and screws.

Basic parameters

●　Material: Carbon Steel Alloy Steel Stainless Steel

●　Specification:M6-M100(/3/8″-4″)

●　Grade:

●　Steel ISO898:4～12;A194/A194M: 2H、2HM;ASTM A563 A563M

●　Stainless steel ISO3506:A2(50～80)、A4(50～80)、C1、C3;ASTM A194/A194M

●　Surface: black, zinc plated, hot galvanized, dacromet, teflon,  electrophoresis process  and so on

Type size and mark example

Note: The size code and the label conform toGB/T5276

Parameters Table
Preferred thread size(mm)
Thread size(D) M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12
P 0.35 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75
c max 0.20 0.20 0.30 0.40 0.40 0.50 0.50 0.60 0.60 0.60
min 0.10 0.10 0.10 0.15 0.15 0.15 0.15 0.15 0.15 0.15
da max 1.84 2.30 2.90 3.45 4.6 5.75 6.75 8.00 10.00 13.00
min 1.60 2.00 2.50 3.00 4.00 5.00 6.00 5.720 6.860 12.00
dw min 2.40 3.10 4.10 4.60 5.90 6.90 8.90 11.60 14.60 16.60
e min 3.41 4.32 5.45 6.01 7.66 8.79 11.05 14.38 17.77 20.03
m max 1.30 1.60 2.00 2.40 3.20 4.70 5.20 6.80 8.40 10.80
min 1.05 1.35 1.75 2.15 2.90 4.40 4.90 6.44 8.04 10.37
mw min 0.80 1.10 1.40 1.70 2.30 3.50 3.90 5.20 6.40 8.30
s Nominal=max  3.20 4.00 5.00 5.50 7.00 8.00 10.00 13.00 16.00 18.00
min 3.02 3.82 4.82 5.32 6.78 7.78 9.78 12.73 15.73 17.73
Thread size(D) M16 M20 M24 M30 M36 M42 M48 M56 M64
P 2 2.5 3 3.5 4 4.5 5 5.5 6
c max 0.8 0.8 0.8 0.8 0.8 1.0 1.0 1.0 1.0
min 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3
da max 17.3 21.6 25.9 32.4 38.9 45.4 51.8 60.5 69.1
min 16.0 20.0 24.0 30.0 36.0 42.0 48.0 56.0 64.0
dw min 22.5 27.7 33.3 42.8 51.1 60 69.5 78.7 88.2
e min 26.75 32.95 39.55 50.85 60.79 71.3 82.6 93.56 104.86
m max 14.8 18.0 21.5 25.6 31.0 34.0 38.0 45.0 51.0
min 14.1 16.9 20.2 24.3 29.4 32.4 36.4 43.4 49.1
mw min 11.3 13.5 16.2 19.4 23.5 25.9 29.1 34.7 39.3
s Nominal=max 24.00 30.00 36 46 55.0 65.0 75.0 85.0 95.0
min 23.67 29.16 35 46 53.8 63.1 73.1 82.8 9.8
P - pitch.