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Home Product M12x75 Half Thread External Hex Bolt, Hex Head Screw, High Strength DIN 933, Zinc Plated for Automotive Construction
Half thread external hexagonal bolt M12*75

M12x75 Half Thread External Hex Bolt, Hex Head Screw, High Strength DIN 933, Zinc Plated for Automotive Construction

M12x75 half thread bolt
External hex bolt M12x75
DIN 931 half thread bolt
Half thread external hexagonal bolt M12*75
M12x75 half thread bolt with external hex head, compliant with DIN 931 standard. Features partial threading and hexagonal drive for secure fastening in machinery, construction, and industrial applications.
Categories:Fasteners & Fixings
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Product Description

The M12x75 half thread bolt, designed as an External hex bolt M12x75, complies with the DIN 931 half thread bolt standard. This fastener features a partially threaded shank measuring 75mm in total length, with a 12mm nominal diameter and a hexagonal head for secure wrench engagement. Constructed from high-grade steel (typically 8.8 or 10.9 strength class), it offers a tensile strength range of 800-1000 MPa and surface treatments including zinc plating for corrosion resistance. Operating effectively within -50°C to +150°C, it is widely used in structural engineering, heavy machinery, and automotive assemblies. Key advantages include vibration-resistant thread engagement and optimized load distribution, while its partial threading limits use in full-depth clamping scenarios. The bolt supports standard torque values of 89-121 Nm (lubricated) for reliable installation.
Parameter Specification
Product ModelM12x75 Half Thread Bolt
Product TypeExternal Hex Bolt M12x75
StandardDIN 931 Half Thread Bolt
DiameterM12 (12mm)
Total Length75mm
Thread TypeHalf Thread (Partial Thread)
Thread Length≈30mm (DIN 931)
Head StyleExternal Hexagon Head
Hex Size19mm (Width Across Flats)
MaterialCarbon Steel/Stainless Steel
Strength GradeClass 8.8 / A2-70
Surface FinishZinc Plated/Phosphated/Plain
Thread Pitch1.75mm (Standard Coarse)
Torque Value80-90 Nm (Class 8.8)
ApplicationConstruction, Machinery, Automotive
question:Do you offer technical selection services?
answer:Yes, we provide technical selection services to help you choose the best products for your needs.
question:Can you share photos and shipment details of similar products?
answer:We can provide product photos and shipment records upon request for reference.
question:Is product procurement date information available?
answer:Yes, procurement dates and related details can be shared upon formal inquiry.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Do you offer technical selection services?
answer:Yes, we provide technical selection services to help you choose the best products for your needs.
question:Can you share photos and shipment details of similar products?
answer:We can provide product photos and shipment records upon request for reference.
question:Is product procurement date information available?
answer:Yes, procurement dates and related details can be shared upon formal inquiry.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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