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|Products Name:||Class 10.9 Steel Black Zinc Plated Hex Bolts||Material:||Steel Stainless Steel Aluminum Alloy For Choose|
|Grade:||4.8 8.8 10.9 12.9 For Choose||Surface Treatment:||Zinc Plated, Nickel Plated, Black Phosphates For Choose|
|Size:||M1-M30 For Choose||Port:||Shanghai|
hex drive screws,
hexagon head cap screw
Class 10.9 Steel Black Zinc Plated Hex Bolts Class 10.9 Hex Head Screws
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) specifications. Length is measured from under the head.
Steel screws should be used in dry, noncorrosive environments. Zinc yellow-chromate plated and zinc-plated steel screws resist corrosion in wet environments. Blue-dyed screws are easy to distinguish. Black ultra-corrosion-resistant-coated steel screws resist chemicals and withstand 1,000 hours of salt spray.
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.
|Drive Style||External Hex|
|System of Measurement||Metric|
|Thread Direction||Right Hand|
|Thread Pitch||1 mm|
|Thread Fit||Class 6g|
|Min. Thread Length||18 mm|
|Fastener Strength Grade/Class||Class 10.9|
|Tensile Strength||150,000 psi|
|Specifications Met||ISO 4014, DIN 931|
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