DIN 1481

Slotted Spring Pins (DIN 1481 / ISO 8752 Heavy Duty Roll Pins)

Slotted Spring Pins

Slotted hollow spring pins designed with a straight slot, offering high clamping force and friction locking for industrial locking linkages.

Materials Available: High Carbon Spring Steel, Stainless Steel (304 / 316)

Standard Size Range: 1.5 mm --- M20

Standard Finishes: Phosphate Coating, Plain / Oiled

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DIN 1481 Slotted Spring Pins Overview & Technical Specifications

Zig zag or slotted spring pins (DIN 1481) are hollow cylindrical pins with a longitudinal slot. They are compressed when driven into a hole and exert continuous radial force against the host bore, securing assemblies.

Heavy Duty Roll Pins Features & Clamping Benefits

High static shear strength.
Slotted design provides secure friction locking.
No specialized tools required for installation.
Extremely cost-effective fastening element.
Hardened to withstand extreme torque.

Agricultural Machinery, Automotive & Machine Tool Applications

Our Spring Pins (Zig Zag Type) components are used across multiple sectors for critical positioning assemblies:

Shaft collar locking and keyway pins
Hinge pivots and lock pins
Machinery alignment dowels
Structural joint bracing

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Related Coiled Pins & Solid Dowel Pins

Slotted Spring Pins (DIN 1481) FAQs

Why are they called zig zag or slotted spring pins- +

CIRCLIPS

WASHERS

DOWEL PINS

VALVE COMPONENTS