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Home Product M3*16 Hex Head Bolt DIN 933 Stainless Steel Fastener for Machinery Automotive Assembly
Metric external hexagonal bolts M3*16

M3*16 Hex Head Bolt DIN 933 Stainless Steel Fastener for Machinery Automotive Assembly

M3x16 hex bolts
Metric hex bolts M3x16
External hex cap screws M3x16
Metric external hexagonal bolts M3*16
Metric M3x16 hex bolts, external hex cap screws with zinc-plated steel construction. Ideal for machinery, automotive, and electronics applications. Metric hex bolts M3x16 feature 6mm wrench size, corrosion resistance, and standard thread compliance. DIN 933/931 compliant external hex fasteners.
Categories:Fasteners & Fixings
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Product Description

The M3x16 hex bolts, also referred to as Metric hex bolts M3x16 or External hex cap screws M3x16, are precision-engineered fasteners with a 3mm nominal diameter and 16mm shank length. Designed for mechanical assemblies, these ISO 4014-compliant bolts typically feature a hexagonal head requiring 5.5mm wrench size for installation. Made from grade 8.8 carbon steel or A2/A4 stainless steel, they provide tensile strengths up to 800 MPa and operate reliably in temperatures from -50°C to +150°C. Common in automotive, machinery, and electronic equipment industries, their zinc-plated or hot-dip galvanized finishes ensure corrosion resistance. Advantages include standardized dimensions for tool compatibility and high shear resistance, though smaller sizes like M3 may require careful torque control to prevent thread stripping. Ideal for securing medium-load components in compact installations.
Parameter Specification
Thread Size M3x16 hex bolts (Coarse thread)
Head Style External hexagonal cap
Hex Key Size 5.5mm (Wrench opening)
Shank Length 16mm (Underhead measurement)
Material Grade Class 8.8 steel / A2-70 stainless
Thread Pitch 0.5mm (Standard metric pitch)
Head Height 2.3mm (Minimum protrusion)
Surface Treatment Zinc-plated or plain finish
Torque Capacity 2.5-3.0 Nm (Dry thread application)
Compliance Standard ISO 4017 / DIN 933
Hexagon Dimensions 5.5mm across flats, 3.0mm head height
question:Do you accept advance shipment before payment?
answer:Payment must be completed before shipment to ensure transaction security and process efficiency.
question:Can you provide product shipment photos or purchase dates?
answer:Product shipment photos and procurement details are available upon formal request via our secure documentation process.
question:Why is there a service fee added to payments?
answer:Service fees cover transaction processing and platform costs to maintain secure and efficient payment handling.
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 accept advance shipment before payment?
answer:Payment must be completed before shipment to ensure transaction security and process efficiency.
question:Can you provide product shipment photos or purchase dates?
answer:Product shipment photos and procurement details are available upon formal request via our secure documentation process.
question:Why is there a service fee added to payments?
answer:Service fees cover transaction processing and platform costs to maintain secure and efficient payment handling.
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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