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Home Product 3/4-10x3 Heavy-Duty Hex Bolt, Grade 8 Carbon Steel, Zinc-Plated, Construction Machinery Fastener
US hexagon socket head cap 3/4-10*3

3/4-10x3 Heavy-Duty Hex Bolt, Grade 8 Carbon Steel, Zinc-Plated, Construction Machinery Fastener

3/4-10x3 Bolts
3/4-10 UNF Fasteners
3/4 Inch Machine Screws
3/4-10*3
3/4-10x3 Bolts, 3/4-10 UNF Fasteners, and 3/4 Inch Machine Screws with zinc-plated finish. Precision-engineered for heavy machinery and automotive applications. High-strength steel meets ASTM standards, ideal for secure fastening in industrial equipment and structural assemblies. Available in coarse or fine threading options.
Categories:Fasteners & Fixings
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Product Description

The 3/4-10x3 Bolts are precision-engineered 3/4 Inch Machine Screws designed for high-load applications, featuring a 3/4-10 UNF thread profile with a 3-inch shank length. Constructed from grade-8 hardened steel, these fasteners offer a tensile strength of 150 ksi and operate reliably in temperatures from -40°C to 260°C. Commonly used in automotive, aerospace, and heavy machinery industries, they integrate seamlessly with standard UNF-compatible components and assemblies. The zinc-nickel plating ensures corrosion resistance in harsh environments. While optimized for vibration resistance and durability, installation requires proper torque tools to prevent thread deformation. These 3/4-10 UNF Fasteners are ideal for structural joints requiring robust mechanical connections but lack built-in thread-locking features, necessitating supplemental adhesives for permanent installations.
ParameterSpecification
Product Type3/4-10x3 Bolts
Thread Standard3/4-10 UNF Fasteners
Nominal Diameter0.750 Inch (19.05 mm)
Threads per Inch10 TPI (2.54 mm pitch)
Shank Length3 Inch (76.2 mm)
Material GradeSAE Grade 5 Medium Carbon Steel
Tensile Strength120,000 PSI Minimum
Surface FinishZinc Plated (RoHS Compliant)
Head StyleHex Head (External Drive)
Wrench Size1-1/8 Inch (28.58 mm)
Thread Fit ClassClass 2B (UNF Standard)
Shank TypeFull Thread Machine Screws
Point StyleChamfered End
Compliance StandardsASTM A449, ASME B18.2.1
Head Height0.450 Inch (11.43 mm)
question:Does the company have a professional product selection engineering team?
answer:Yes, we have a dedicated team of product selection engineers with industry expertise.
question:Why did the received goods have cut labels?
answer:Labels may be cut during customs inspections. Contact us immediately for documentation or replacements.
question:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can share shipment photos and purchase details upon request to verify product authenticity.
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:Does the company have a professional product selection engineering team?
answer:Yes, we have a dedicated team of product selection engineers with industry expertise.
question:Why did the received goods have cut labels?
answer:Labels may be cut during customs inspections. Contact us immediately for documentation or replacements.
question:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can share shipment photos and purchase details upon request to verify product authenticity.
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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