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Hexagon Socket Button Head Screws ISO 7380-1

Product Details

STANDARD : ISO7380-1

SIZE : M3 TO M16， LENGTH --6 TO 400MM

MATERIAL : CARBON STEEL，STAINLESS STEEL

GRADE : A2-50，A2-70，A4-50, A4-80（STAINLESS STEEL）, 8.8, 10.9 , 12.9（CARBON STEEL）

FINISH : STAINLESS STEEL, BLACK OXIED, ZINC PLATED, HDG, ZINC FLAKE

PACKAGING : BULK PACK | SMALL BOXED

Description Specification Related Products Form

Description

• Socket button head cap screw has round curved button head. It leaves smooth surface after installation without sharp edges to avoid scratching operators and workpieces.

• Hex socket recess in the head matches allen wrench, allowing fastening in narrow and limited installation space.

• Product Name: Button Head Socket Screws， Machine Screw

 

• Standards: ISO 7380-1

 

• Size:Dia.:M3 TO M16, Length: 6 TO 400MM


• Material:Carbon Steel, Stainless Steel

 

• Finish: Black Oxide | Zinc Plated | HDG | Zinc Flake | Custom

 

• A form of socket screw, driven by a hexagon wrench / Allen key.

 

• Has a low profile head – ideal where space is an issue, and for aesthetic purposes.

 

• Smooth hemispherical arched pan head with a countersunk hex socket; polished arched surface with no burrs; standard fine-pitch threads.

• We offer one-stop packaging and supply of matching nuts and flat washers of the same specifications, helping you reduce your procurement costs.

• Common Application Scenarios: Daily-use hardware, fitness equipment, bicycle parts, household appliances, exposed decorative fastener, toy and aluminium‑profile fittings.

FAQ: 

Q: What is the difference between socket button head cap screw and socket cylinder head cap screw?

A: Button head has rounded dome shape while cylinder head is straight cylindrical. Button head provides smooth surface, ideal for applications where sharp protrusions are not allowed.

 

Specification

d1 d2 k max. s t min. d1 d2 k max. s t min.
M3 7 1.65 2 1.04 M8 14 4.4 5 2.6
M4 6 2.2 2.5 1.3 M10 18 5.5 6 3.12
M5 9.5 2.75 3 1.56 M12 21 6.6 8 4.16
M6 10.5 3.3 4 2.08 M16 28 8.8 10 5.2

 

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