Hexagon Socket Set Screws with Cup Point

Complies with ISO 4026, DIN 916, ANSI B18.3; precision locking fasteners
Material: Carbon steel (45#), stainless steel (304/316), alloy steel (42CrMo); strength grades 4.8–12.9
Structure: Hex socket + headless design + cup point (concave tip) + full thread
Surface treatments: Zinc plating, black oxide, passivation
Size M2–M16, length 6–50mm

Core Features of Hexagon Socket Set Screws with Cup Point

Cup point: Concave design enlarges contact area, disperses pressure, protects workpiece surface
Hex socket: High torque transmission, fits narrow/recessed spaces
Headless: No protrusions, avoids component interference
Full thread: Tight engagement, anti-vibration locking reliability
Suitable for shafts, gears, pulleys, and precision fixtures requiring non-damaging locking

Product Parameter (Specification)

Standard

DIN,ASTM/ANSI, ISO

Material

Carbon steel, Stainless Steel,Brass

Surface Treatment

Zinc Plated, Hop Dip Galvanized(HDG) phosphorization,

Black Oxide,Geomet,Dacroment,Nickel plated,Zinc-Nickel plated

Size

M1.6-M24

Unite

Piece,KGS,TON

Packing

Bulk cartons with pallet, small boxes in cartons with pallet

Product Application

Hexagon Socket Set Screws with Cup Point is widely used in building, furniture, heavy Industry, mining, water treatment, retail industry, general industry, construction etc.

Hexagon Socket Set Screw Application Scenario Table

Application Field	Specific Scenarios	Standards & Grades	Key Considerations
Household	Adjustable furniture feet, curtain track locks, tool handle knobs, appliance internal brackets.	DIN 916; Carbon steel 4.6/5.6 (zinc-plated), Stainless steel A2-70.	Flat tip protects surfaces; Hex socket for stable torque; Secures without pre-drilling.
Construction	Decorative metal strip fixes, temporary scaffolding accessories, partition hardware locks, door hinge adjustments.	DIN 916; Carbon steel 8.8 (zinc-plated), Stainless steel A4-80.	Anti-vibration, corrosion-resistant; Flush fit for neat decoration; Easy on-site operation.
Light Machinery	Bearing housings, pulley axial locks, sliding rail stops, small motor component fixes.	DIN 916; Carbon steel 8.8/10.9, Stainless steel A2-70.	Surface-friendly, no damage; High load-bearing; Compatible with power tools.
Electronic Devices	Sensor mounts, small device bracket locks, circuit board positioning, smart accessory joints.	DIN 916; Carbon steel 4.6 (nickel-plated), Stainless steel A2-70.	Compact, space-saving; Precise torque control; Anti-corrosion for enclosures.

Hexagon Socket Set Screws with Cup Point

Hexagon Socket Set Screw Application Scenario Table

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