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Home Product M12*45 Half Thread Hex Head Bolt DIN 931, Grade 8.8 Stainless Steel Fastener for Automotive Assembly
Half thread external hexagonal bolt M12*45

M12*45 Half Thread Hex Head Bolt DIN 931, Grade 8.8 Stainless Steel Fastener for Automotive Assembly

M12x45 half thread bolt
External hex bolt M12x45
Half threaded hex bolt 45mm
Half thread external hexagonal bolt M12*45
M12x45 half thread bolt with external hex head, partial threading on 45mm shank. Half threaded hex bolt 45mm for secure fastening applications. External hex bolt M12x45 in steel construction.
Categories:Fasteners & Fixings
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Product Description

The M12x45 half thread bolt is a durable external hex bolt designed for versatile industrial applications. This half threaded hex bolt 45mm features a 12mm shank diameter, partial threading (typically 25mm), and a 7mm hex head for secure tool engagement. Constructed from high-strength steel with a corrosion-resistant zinc coating, it operates effectively in temperatures ranging from -50°C to +250°C. The external hex bolt M12x45 excels in machinery assembly, structural frameworks, and automotive systems, offering reliable clamping force with its threaded portion while maintaining shear resistance through the unthreaded shaft section. Key advantages include vibration resistance and easy installation, though the partial threading limits adjustability compared to fully threaded alternatives. This fastener meets ISO 4014 standards for dimensional compliance and load capacity.
ParameterSpecification
Product designationM12x45 half thread bolt
Fastener typeExternal hex bolt M12x45
Threaded portionHalf threaded hex bolt 45mm
Nominal diameter12 mm
Total length45 mm ±0.5mm
Thread length30 mm (min)
Head styleHexagonal (external drive)
Head height7.5 mm ±0.3mm
Across flats19 mm ±0.3mm
Material gradeCarbon steel 8.8
Surface treatmentZinc-plated/Geomet 321
Thread standardISO 4014/DIN 933
Mechanical properties700 MPa tensile strength
Shank typePartially threaded (reduced shank)
Unthreaded length15 mm ±1mm
Torque value80 Nm ±5% (dry)
question:What is the warranty?
answer:The warranty covers repairs or replacements for defects within one year from the date of purchase.
question:How are refurbished product failures handled?
answer:We verify the issue and offer a replacement, repair, or refund based on investigation results.
question:What is the return policy?
answer:Returns accepted within 30 days if undamaged in original packaging, with refund or exchange options.
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:What is the warranty?
answer:The warranty covers repairs or replacements for defects within one year from the date of purchase.
question:How are refurbished product failures handled?
answer:We verify the issue and offer a replacement, repair, or refund based on investigation results.
question:What is the return policy?
answer:Returns accepted within 30 days if undamaged in original packaging, with refund or exchange options.
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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