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DIN25201 Kohlenstoffstahl Doppeldeck Keil Selbstverriegelung Unterlegscheibe Dichtung Lose Proof

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DIN25201 Kohlenstoffstahl Doppeldeck Keil Selbstverriegelung Unterlegscheibe Dichtung Lose Proof

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Preisspanne: $0.053 bis $0.066

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Preisspanne: $0.053 bis $0.066

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Preisspanne: $0.053 bis $0.066

DIN25201 Kohlenstoffstahl Doppeldeck Keil Selbstverriegelung Unterlegscheibe Dichtung Lose Proof Beschreibung

  1. Shock-Proof, Self-Locking Performance
    • Twin discs machined to DIN 25201 incorporate opposed 30 ° wedge cams whose ramp angle exceeds standard thread pitch; any loosening impulse is instantly converted into additional clamp load, stopping back-off during vibration up to 22 g RMS.
    • Radial serrations on the outer faces embed into joint materials at surface pressures as low as 80 MPa, eliminating the need for spring washers, chemical thread-lockers, or deformation of the bolt threads.
    • Core of medium-carbon steel is through-hardened to HRC 45–52 (≈ 350–500 HV) for long-term wear resistance; a ≥ 8 µm zinc layer with trivalent chromate resists 120 h neutral-salt-spray, while optional clear, yellow, black, olive, or custom RAL/Pantone top-coats push corrosion life past 1 000 h and enable quick visual coding.
    • Proven by Junker transverse-vibration testing (DIN 65151) to retain ≥ 90 % of initial preload after 1 000 cycles, even when reused multiple times.
  2. Industrieübergreifendes Anwendung Spektrum
    • Transportation & Mobility: Locks suspension brackets, braking shields, and battery enclosures in passenger cars, rail stock, motorcycles, and light electric vehicles that endure shock, heat, and road debris.
    • Heavy Equipment & Renewable Energy: Secures blade-root studs, hydraulic manifolds, and structural joints on wind turbines, solar trackers, cranes, and earth-moving machinery where service access is costly.
    • Automation & Precision Machinery: Maintains positional accuracy on rotary tables, linear guides, and robotic end-effectors during high-cycle operation and sudden axis reversals.
    • Marine, Offshore & Chemical Systems: Duplex-coated variants guard pumps, valves, and deck hardware exposed to chloride-rich atmospheres or mild acids while allowing non-permanent disassembly.
  3. Installateurfreundliches, zeitsparendes Handling
    • Supplied as pre-assembled pairs with the cam directions matched—simply place under the bolt head or nut; recommended torque remains identical to a plain-washer joint, so existing tool settings can stay unchanged.
    • Stamped directional arrow on the outer face plus tactile serrations provide positive orientation feedback when gloves, oil, or low light impair visibility.
    • Adds only 2 mm to clamp stack height on M6–M20 sizes, enabling retrofit without longer fasteners or design changes in tight recesses.
    • Available loose in cartons, mounted on captive sleeves, or in tape-and-reel strips for seamless use at field sites, manual benches, or automated feeders.
  4. Verified Quality & Traceability
    • 100 % optical inspection measures cam rise ± 0.02 mm, concentricity ≤ 0.05 mm TIR, and outer-rib depth ≥ 0.20 mm; statistical Cp/Cpk data archived for ISO 9001, IATF 16949, and AS9100 audits.
    • Case-hardening depth (0.1–0.3 mm) and surface hardness validated per ISO 16228 to ensure consistent locking behaviour for repeated re-torque cycles.
    • Materials comply with RoHS 3 and REACH; full PPAP Level 3 documentation, 3.1 material certificates, and Junker test curves supplied on request.
    • QR-coded packaging links every washer set to its melt lot, plating batch, and inspection record, guaranteeing end-to-end transparency for safety-critical infrastructure, aerospace tooling, and medical-device assemblies.

Weitere Informationen

Beschichtung

Blue Zink, Farbe anpassbar

Durchmesser

Φ1.6, Φ10, Φ12, Φ16, Φ18, Φ20, Φ22, Φ24, Φ27, Φ30, Φ32, Φ36, Φ45, Φ48, Φ50, Φ6, Φ8

Hersteller

GUXIANG

Material

Kohlenstoffstahl

Verpackungsgröße (cm)

30*20*20

Versandbedingungen

EXW Provinz Guangdong

Artikelnummer

1.000.000 Stück

Produktbezogen

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