Hobson WLMSZTEM03 M3 External Tooth Lock Washer, Zinc Plated

This page lists 9 items of the Hobson external tooth lock washer (zinc plated): M3 to M20.

An external tooth lock washer has teeth around its outside edge. The teeth bite into the surfaces on either side when the fastener is tightened.

The supplier description or the Hobson stock list names IFI 532 Type A (manufacturer-stated).

Pack quantity varies by size and is shown for each item in the table.

Where this product is used

• Fitted under a nut or screw head as a lock washer
• Where the joint calls for a toothed lock washer under the head

Features

• 9 items: M3 to M20
• Zinc plated
• Pack quantity shown for each item
• IFI 532 Type A named for these items (manufacturer-stated)

Common specifications

Key specifications

Selecting the right option

Choose the washer by the screw or bolt size it is made for. An internal tooth washer has the teeth on the inside edge instead. Zinc plating is a thin zinc coating; hot dip galvanised washers carry a thicker one. For a similar washer in another material, finish or size range see Hobson External Tooth Lock Washer, Type A, Zinc Plated, 1/8" to 1".

Related products

Related washers: Hobson External Tooth Lock Washer, Type A, Zinc Plated, 1/8" to 1", Hobson Internal Tooth Lock Washer, Type A, Zinc Plated, 1/8" to 1" and Hobson Internal Tooth Lock Washer, Type A, Zinc Plated, M3 to M20.