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Hex Head High Strength Bolts ISO4014 GB5782 Class 10.9 Black Partial Thread Bolt M6 M48

Hex Head High Strength Bolts ISO4014 GB5782 Class 10.9 Black Partial Thread Bolt M6 M48

Brand Name:XGFH
Certification:ISO9001,EN10204 3.1Certificate
Model Number:ISO4014
Minimum Order Quantity:100pcs
Delivery Time:5-15 work days
Payment Terms:T/T, L/C
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Address: No.64-66, Wujin 8th Street, Jiangyin City, China
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Product Details

High-Strength Metric Class 10.9 Steel Hex Head Screws


Product Description:

Choose these Class 10.9 steel screws for high-stress applications, such as valves, pumps, motors, and automotive suspension systems.

They are at least 25% stronger than medium-strength steel screws.

Dimensions meet ISO (formerly DIN) or DIN specifications.

Length is measured from under the head.

Black ultra-corrosion-resistant-coated steel screws resist chemicals and withstand 1,000 hours of salt spray. To maintain corrosion resistance, use these screws with black ultra-corrosion-resistant-coated nuts and washers.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance.


Mechanical and physical properties:


Property ClassClass 10.9
Tensile Strength1040Mpa min.
Stress at 0.2% permanent strain940Mpa min.

Percentage elongation after fracture for

machined test pieces, A, %

9 min.

Percentage reduction of area after

fracture for machined test pieces, Z, %

48 min.
Rockwell hardness, HRC32-39

Product Drawing:


Hex bolt partially threaded GradeA and B
GB/T 5782-2016 & ISO 4014-2011
dP(mm)b (mm)ds (mm)k (mm)s (mm)
minmaxABminmax
L≤125125<L≤200L>200ABminmaxminmaxAB
M1.60.35915281.461.351.60.9751.2250.91.33.022.93.2
M20.41016291.861.7521.2751.5251.21.63.823.74
M2.50.451117302.362.252.51.5751.8251.51.94.824.75
M30.51218312.862.7531.8752.1251.82.25.325.25.5
M3.50.61319323.323.23.52.2752.5252.22.65.825.76
M40.71420333.823.742.6752.9252.636.786.647
M50.81622354.824.753.353.653.263.747.787.648
M611824375.825.763.854.153.764.249.789.6410
M81.252228417.787.6485.155.455.065.5412.7312.5713
M101.52632459.789.64106.226.586.116.6915.7315.5716
M121.7530364911.7311.57127.327.687.217.7917.7317.5718
M14234405313.7313.57148.628.988.519.0920.6720.1621
M16238445715.7315.57169.8210.189.7110.2923.6723.1624
M182.542486117.7317.571811.28511.71511.1511.8526.6726.1627
M202.546526519.6719.482012.28512.71512.1512.8529.6729.1630
M222.550566921.6721.482213.78514.21513.6514.3533.383334
M24354607323.6723.482414.78515.21514.6515.3535.383536
M273606679/26.4827//16.6517.35/4041
M303.5667285/29.4830//18.2819.12/4546
M333.5/7891/32.3833//20.5821.42/4950
M364/8497/35.3836//22.0822.92/53.855
M394/90103/38.3839//24.5825.42/58.860
M424.5/96109/41.3842//25.5826.42/63.165
M454.5/102115/44.3845//27.5828.42/68.170
M485/108121/47.3848//29.5830.42/73.175
M525/116129/51.2652//32.533.5/78.180
M565.5//137/55.2656//34.535.5/82.885
M605.5//145/59.2660//37.538.5/87.890
M646//153/63.2664//39.540.5/92.895

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Product Warehouse:

China Hex Head High Strength Bolts ISO4014 GB5782 Class 10.9 Black Partial Thread Bolt M6 M48 supplier

Hex Head High Strength Bolts ISO4014 GB5782 Class 10.9 Black Partial Thread Bolt M6 M48

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