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Home Product Model 1/4-20x1-3/4 Heavy-Duty Hex Bolt Corrosion-Resistant Grade 8 Steel Construction Machinery Automotive
US hexagon socket head cap 1/4-20*1-3/4

Model 1/4-20x1-3/4 Heavy-Duty Hex Bolt Corrosion-Resistant Grade 8 Steel Construction Machinery Automotive

1/4-20 x 1-3/4 screws
Machine screws 1/4-20
1/4-20 UNC bolts
1/4-20*1-3/4
1/4-20 x 1-3/4 screws, Machine screws with 1/4-20 UNC threading. 0.25" diameter, 1-3/4" length steel zinc-plated screws for machinery & industrial equipment. Full-thread hex bolts for secure fastening.
Categories:Fasteners & Fixings
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Product Description

The 1/4-20 x 1-3/4 screws are machine screws designed with a 1/4-inch diameter and 20 threads per inch, adhering to the 1/4-20 UNC bolt specification for precision threading. These screws feature a 1-3/4-inch shank length, providing robust fastening for metal components in mechanical assemblies, industrial machinery, or automotive applications. Constructed from high-grade steel with optional zinc-plated or stainless steel finishes, they offer corrosion resistance and a tensile strength up to 150,000 psi. Operating effectively within -40°C to 120°C environments, they are ideal for securing brackets, panels, and structural elements in manufacturing and aerospace industries. Advantages include standardized compatibility with 1/4-20 UNC nuts, durability under vibration, and ease of installation using hex or Phillips drivers. Limited corrosion resistance in harsh chemical environments may require additional coating.
Parameter Specification
Thread Diameter 1/4" (0.25") / 6.35 mm
Thread Pitch 20 TPI (UNC Standard)
Nominal Length 1-3/4" (1.75") / 44.45 mm
Thread Type Unified National Coarse (UNC)
Drive Type Phillips/Slotted/Hex
Head Style Pan Head/Flat Head/Round Head
Material Steel/Stainless Steel/Brass
Finish Zinc Plated/Black Oxide/Plain
Tensile Strength Grade 2/5/8 (ASTM Standards)
ANSI Compliance ASME B18.6.3
question:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can provide shipment photos and purchase dates upon request.
question:Is the company capable of maintaining a stable supply?
answer:We ensure stable supply through reliable inventory and production planning.
question:How are refurbished products handled under warranty if a malfunction occurs?
answer:We replace refurbished products immediately and conduct thorough quality inspections.
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:Can you provide shipment photos and purchase dates for similar products?
answer:Yes, we can provide shipment photos and purchase dates upon request.
question:Is the company capable of maintaining a stable supply?
answer:We ensure stable supply through reliable inventory and production planning.
question:How are refurbished products handled under warranty if a malfunction occurs?
answer:We replace refurbished products immediately and conduct thorough quality inspections.
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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