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Home Product Half Thread External Hexagonal Bolt M16*170 Hex Head Screw Heavy-Duty Fastener Stainless Steel Grade 8.8
Half thread external hexagonal bolt M16*170

Half Thread External Hexagonal Bolt M16*170 Hex Head Screw Heavy-Duty Fastener Stainless Steel Grade 8.8

M16x170 external hex bolt
Half thread hex bolt M16
Partial thread external hex bolt
Half thread external hexagonal bolt M16*170
M16x170 external hex bolt with partial threading, half thread hex bolt M16 for secure fastening. Partial thread external hex bolt combines adjustability and strength in industrial applications. Half thread design balances grip and installation flexibility.
Categories:Fasteners & Fixings
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Product Description

The M16x170 external hex bolt is a high-strength fastening component designed for robust industrial applications. Featuring a half-thread hex bolt M16 design with a total length of 170mm, this partial thread external hex bolt combines a 70mm threaded section and a 100mm smooth shank, optimized for secure joint assemblies requiring precise load distribution. The bolt incorporates a standard 24mm hexagonal head compatible with M16 wrench sizes and delivers a tensile strength of 800 MPa, with hot-dip galvanized surface treatment for corrosion resistance in environments ranging from -30°C to 150°C. Widely used in structural engineering, heavy machinery, and automotive systems, its partial threading reduces stress concentration while maintaining alignment accuracy. The design balances installation efficiency with vibration resistance, though proper torque control is critical due to the reduced thread engagement area. Compliant with DIN 931 standards, it operates without auxiliary power or electronic components, requiring purely mechanical implementation.
Parameter Specification
Product Model M16x170 External Hex Bolt / Half Thread Hex Bolt M16 / Partial Thread External Hex Bolt
Thread Size M16 (Metric Coarse)
Overall Length 170 mm
Thread Length 85 mm (Half Thread Design)
Head Type External Hexagonal (DIN 933)
Material Grade Carbon Steel Grade 8.8 / Stainless Steel A2-70
Tensile Strength 800 MPa (Grade 8.8) / 700 MPa (A2-70)
Surface Treatment Zinc Plated (8-12μm) / Hot-Dip Galvanized / Plain
Standards Compliance ISO 4014 / DIN 933 / ASME B18.2.1
Hex Head Dimensions 24 mm (Width Across Flats) / 16.7 mm (Height)
Thread Pitch 2.0 mm (Standard Coarse Thread)
Corrosion Resistance Class C (Zinc Plated) / Class A (Hot-Dip)
question:Do you provide technical consulting and product selection services?
answer:Yes, we offer technical consulting and product selection support to meet your specific requirements.
question:Do you accept payment after delivery?
answer:Payment terms are finalized during order confirmation; we prioritize secure transactions via T/T or L/C.
question:What certifications do your products have?
answer:Our products comply with international standards and hold relevant certifications for target markets.
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 provide technical consulting and product selection services?
answer:Yes, we offer technical consulting and product selection support to meet your specific requirements.
question:Do you accept payment after delivery?
answer:Payment terms are finalized during order confirmation; we prioritize secure transactions via T/T or L/C.
question:What certifications do your products have?
answer:Our products comply with international standards and hold relevant certifications for target markets.
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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