JIS B 1256 Plain washers
M12-M30
Hardened and ground plain washer manufactured per JIS B 1256 for use with JIS B 1186F10T high strength friction grip bolts. Minimum hardness 300 HV. Ensures even distribution of clamping force in preloaded structural joints. Sizes: M12–M30. Compatible with EN 14399washer dimensions.
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Product Name:JIS B 1256 Plain washers
Manufactured strictly to JIS B 1256 specifications, these washers undergo a specialized hardening and tempering process to achieve a minimum hardness of 300 HV. This high hardness is crucial for preventing surface indentation and maintaining clamping force in high-strength friction grip connections.Ensures even distribution of clamping force in preloaded structural joints. Sizes: M12–M30. Compatible with EN 14399washer dimensions.Hardened and ground plain washer manufactured per JIS B 1256 for use with JIS B 1186F10T high strength friction grip bolts. Minimum hardness 300 HV. Ensures even distribution of clamping force in preloaded structural joints. Sizes: M12–M30. Compatible with EN 14399washer dimensions.
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