HEICO-LOCK Wedge lock washer stainless steel A4

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The HEICO-LOCK wedge locking system delivers high quality anti-vibration security for the most demanding of bolted joint applications.
Even under extremes of vibration or dynamic loads, HEICO-LOCK wedge lock washers provide maximum reliability.
When the bolt is tightened, the external radial teeth of the HEICO-LOCK wedge lock washers embed themselves in an interlocking fashion with the respective mating surface.
If the securing system is subject to dynamic stress, movement is only possible between the internal washer surfaces.
This results in an increase in the preload force.

Material: Stainless steel

Material quality: Stainless steel A4

Surface protection: Untreated

Inner diameter (mm)

Outer diameter (mm)

Suitable for bolt size metric (M..)

Suitable for bolt in imperial size

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HEICO-LOCK Lock washer M3 SST A4 1.4404 glued in pairs ERIKS Item #: 12984991 Compare Compare	Price (Per piece): €0.55 200 piece per package	{"addToCartPD":{ "item_name": "lock washer m3 sst a4 1.4404 glued in pairs", "item_id": "gr0000001496405", "material_number": "12984991", "price": "0.55", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "lock washer m3 sst a4 1.4404 glued in pairs", "item_id": "gr0000001496405", "material_number": "12984991", "price": "0.55", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "pce", "index": "1", "quantity": "" } }
HEICO-LOCK Lock washer M4 SST A4 1.4404 glued in pairs ERIKS Item #: 12984995 Compare Compare	Price (Per piece): €0.88 200 piece per package	{"addToCartPD":{ "item_name": "lock washer m4 sst a4 1.4404 glued in pairs", "item_id": "gr0000001496305", "material_number": "12984995", "price": "0.88", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "lock washer m4 sst a4 1.4404 glued in pairs", "item_id": "gr0000001496305", "material_number": "12984995", "price": "0.88", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "pce", "index": "2", "quantity": "" } }
HEICO-LOCK Lock washer M6 SST A4 1.4404 glued in pairs ERIKS Item #: 12985000 Compare Compare	Price (Per piece): €0.60 200 piece per package	{"addToCartPD":{ "item_name": "lock washer m6 sst a4 1.4404 glued in pairs", "item_id": "gr0000001496253", "material_number": "12985000", "price": "0.6", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "lock washer m6 sst a4 1.4404 glued in pairs", "item_id": "gr0000001496253", "material_number": "12985000", "price": "0.6", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "pce", "index": "3", "quantity": "" } }
HEICO-LOCK Lock washer M12 SST A4 14404 blst(20st) Blister pack, glued in pairs ERIKS Item #: 12984954 Compare Compare	Price (Per set): €28.35	{"addToCartPD":{ "item_name": "lock washer m12 sst a4 14404 blst(20st) blister pack, glued in pairs", "item_id": "gr0000001496243", "material_number": "12984954", "price": "28.35", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "set", "quantity": "" } } {"itemTrackPD":{ "item_name": "lock washer m12 sst a4 14404 blst(20st) blister pack, glued in pairs", "item_id": "gr0000001496243", "material_number": "12984954", "price": "28.35", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "set", "index": "4", "quantity": "" } }
HEICO-LOCK Lock washer M16 SST A4 14404 blst(10st) Blister pack, glued in pairs ERIKS Item #: 12984963 Compare Compare	Price (Per set): €21.98	{"addToCartPD":{ "item_name": "lock washer m16 sst a4 14404 blst(10st) blister pack, glued in pairs", "item_id": "gr0000001496288", "material_number": "12984963", "price": "21.98", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "set", "quantity": "" } } {"itemTrackPD":{ "item_name": "lock washer m16 sst a4 14404 blst(10st) blister pack, glued in pairs", "item_id": "gr0000001496288", "material_number": "12984963", "price": "21.98", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "set", "index": "5", "quantity": "" } }
HEICO-LOCK Lock washer M16 SST A4 1.4404 glued in pairs ERIKS Item #: 12984962 Compare Compare	Price (Per piece): €1.91 100 piece per package	{"addToCartPD":{ "item_name": "lock washer m16 sst a4 1.4404 glued in pairs", "item_id": "gr0000001496096", "material_number": "12984962", "price": "1.91", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "lock washer m16 sst a4 1.4404 glued in pairs", "item_id": "gr0000001496096", "material_number": "12984962", "price": "1.91", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "pce", "index": "6", "quantity": "" } }
HEICO-LOCK Lock washer M20 SST A4 14404 blst(10st) Blister pack, glued in pairs ERIKS Item #: 12984969 Compare Compare	Price (Per set): €33.07	{"addToCartPD":{ "item_name": "lock washer m20 sst a4 14404 blst(10st) blister pack, glued in pairs", "item_id": "gr0000001496347", "material_number": "12984969", "price": "33.07", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "set", "quantity": "" } } {"itemTrackPD":{ "item_name": "lock washer m20 sst a4 14404 blst(10st) blister pack, glued in pairs", "item_id": "gr0000001496347", "material_number": "12984969", "price": "33.07", "item_brand": "heico-lock", "item_category":"fasteners", "item_category2":"washers", "item_category3":"locking ring", "item_category4": "pr976679043098474", "item_variant": "set", "index": "7", "quantity": "" } }