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Brass Hexagonal Screw

The Brass Hexagonal Screw is crafted from high-quality brass, offering both aesthetic appeal and functional durability. This screw is especially valuable in applications where corrosion resistance is crucial, such as in marine, plumbing, and decorative environments. The hexagonal head provides robust torque, facilitating easy driving and secure fastening with standard tools, which ensures a tight and durable fit. Its natural brass construction not only provides a classic, polished look but also functions effectively in preventing electrical and galvanic corrosion when used with similar metallic components. Ideal for both indoor and outdoor settings.

Specifications of Brass Hexagonal Screw

Thread size (d)

PPitch
aMaximum
cMinimum
Maximum
daMinimum
dwClass AMinimum
Class BMinimum
eClass AMinimum
Class BMinimum
kNominal diameter d
Class AMaximum
Maximum
Class BMaximum
Maximum
k1Minimum
rMinimum
sMaximum value = nominal
Class AMinimum
Class BMinimum
Thousand pieces of steel weigh ≈ kg


Thread size (d)

PPitch
aMaximum
cMinimum
Maximum
daMinimum
dwClass AMinimum
Class BMinimum
eClass AMinimum
Class BMinimum
kNominal diameter d
Class AMaximum
Maximum
Class BMaximum
Maximum
k1Minimum
rMinimum
sMaximum value = nominal
Class AMinimum
Class BMinimum
Thousand pieces of steel weigh ≈ kg




M1.6M2M2.5M3(M3.5)M4M5M6(M7)M8M10M12(M14)M16
0.350.40.450.50.60.70.8111.251.51.7522
1.051.21.351.51.82.12.4333.754.55.2566
0.10.10.10.150.150.150.150.150.150.150.150.150.150.2
0.250.250.250.40.40.40.50.50.50.60.60.60.60.8
22.63.13.64.14.75.76.87.89.211.213.715.717.7
2.43.24.14.65.15.96.98.99.611.615.617.420.522.5
-----5.76.78.79.411.415.417.220.122
3.414.325.456.016.587.668.7911.0512.1214.3818.921.124.4926.75
-----7.58.6310.8911.9414.218.7220.8823.9126.17
1.11.41.722.42.83.544.85.36.47.58.810
0.981.281.581.882.282.683.353.854.655.156.227.328.629.82
1.221.521.822.122.522.923.654.154.955.456.567.688.9810.18
-----2.63.263.764.565.066.117.218.519.71
-----33.744.245.045.546.697.799.0910.29
0.70.91.11.31.61.92.282.633.193.544.285.055.966.8
0.10.10.10.10.10.20.20.250.250.40.40.60.60.6
3.2455.567810111317192224
3.023.824.825.325.826.787.789.7810.7312.7316.7318.6721.6723.67
-----6.647.649.6410.5712.5716.5718.4821.1623.16
--------------


(M18)M20(M22)M24(M27)M30(M33)M36(M39)M42(M45)M48(M52)
2.52.52.5333.53.5444.54.555
7.57.57.59910.510.5121213.513.51515
0.20.20.20.20.20.20.20.20.30.30.30.30.3
0.80.80.80.80.80.80.80.811111
20.222.424.426.430.433.436.439.442.445.648.652.656.6
25.328.23033.6---------
24.827.729.533.23842.746.551.155.959.964.769.474.2
30.1433.5335.7239.98---------
29.5632.9535.0339.5545.250.8555.3760.7966.4471.376.9582.688.25
11.512.514151718.72122.52526283033
11.2812.2813.7814.78---------
11.7212.7214.2215.22---------
11.1512.1513.6514.6516.6518.2820.5822.0824.5825.5827.5829.5832.5
11.8512.8514.3515.3517.3519.1221.4222.9225.4226.4228.4230.4233.5
7.88.59.610.311.712.814.415.517.217.919.320.922.8
0.60.80.80.8111111.21.21.61.6
27303236414650556065707580
26.6729.6731.6135.38---------
26.1529.16313540454953.858.863.168.173.178.1
-------------

①, This standard specifies the requirements for hexagon head screws from M1.6 to M52,

where the maximum size of product grade A is M24 and the length does not exceed 10d or 150mm;

if the size is larger than M24 or the length exceeds 10d or 150mm, it is a product grade B bolt.

②, When the bolt size is not larger than M4, the end is allowed to be unchamfered



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