Collection: Washers - Lock - Internal Tooth - Spring Steel

Washers -> Lock -> Internal Tooth -> Spring Steel

There are 7 products in the sub-categories of Washers - Lock - Internal Tooth - Spring Steel. Browse the Washers - Lock - Internal Tooth - Spring Steel products table.

Category Details

A selection of Spring Steel Internal Tooth Lock Washers. Spring steel, internal toothed selection.

Lock washers are available in many different materials and types, including tabbed, split and toothed. An expanded range may be available on special order. Please enquire.
Designed to prevent nuts and bolts from loosening due to vibration or torque by creating tension and friction within the bolted joint, effectively securing the connection and preventing unwanted rotations.
Dimensions are nominal and may vary between batches.
These are not the same as push on retaining rings. This product is not designed to grip a shaft. Search for push on retaining rings if that is what you require.

Small Parts & Bearings

Additional resources:

Screws

A more comprehensive listing may be found in the Washers - Lock - Internal Tooth - Spring Steel category on the MBA Minibearings main store.

Nominal Inside Diameter	Outside Diameter	Material Thickness (T)	Indicative Image
Lock Washers - 2.5x5.5x0.4 mm Internal Tooth Washer
Nominal Inside Diameter 2.50 mm (Equiv. 0.098 in.)	Outside Diameter 5.5 mm (Equiv. 0.217 in.)	Material Thickness (T) 0.40 mm (Equiv. 0.016 in.)
Material: Carbon Spring Steel Nominal Screw Size: M2.5, 4-40 / 4-48, 3/32 Actual ID (Ref): 2.7 mm Deleted Item. Available while stocks last.
Part Number: W0025-LI-006-004-C (PK-10) 1 pack (10 pcs) Available Now \| Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $5.00 AUD Regular price ~~$9.50 AUD~~ Sale price $5.00 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required 1 pack (10 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Nominal Inside Diameter	Outside Diameter	Material Thickness (T)	Indicative Image
Lock Washers - 2.5x5.5x0.4 mm Internal Tooth Washer
Nominal Inside Diameter 2.50 mm (Equiv. 0.098 in.)	Outside Diameter 5.5 mm (Equiv. 0.217 in.)	Material Thickness (T) 0.40 mm (Equiv. 0.016 in.)
Material: Carbon Spring Steel Nominal Screw Size: M2.5, 4-40 / 4-48, 3/32 Actual ID (Ref): 2.7 mm Deleted Item. Available while stocks last.
Part Number: W0025-LI-006-004-C (PK-10) 1 pack (10 pcs) Available Now \| Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $5.00 AUD Regular price ~~$9.50 AUD~~ Sale price $5.00 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required 1 pack (10 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
W0025-LI-006-004-C (PK-10) --- Lock Washers - 2.5x5.5x0.4 mm Internal Tooth Washer Sale W0025-LI-006-004-C (PK-10) --- Lock Washers - 2.5x5.5x0.4 mm Internal Tooth Washer Regular price $5.00 AUD Regular price ~~$9.50 AUD~~ Sale price $5.00 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties 1 Available Now Sale
Lock Washers - 4x8x0.5 mm Internal Tooth Washer
Nominal Inside Diameter 4.00 mm (Equiv. 0.157 in.)	Outside Diameter 8 mm (Equiv. 0.315 in.)	Material Thickness (T) 0.50 mm (Equiv. 0.02 in.)
Material: Carbon Spring Steel Nominal Screw Size: M4, 5/32 Actual ID (Ref): 4.3 mm Deleted Item. Available while stocks last.
Part Number: W0040-LI-008-005-C (PK-35) 1 pack (35 pcs) Available Now \| Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 35 Units Excludes GST and overseas Taxes & Duties Quantity Required 1 pack (35 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 4x8x0.5 mm Internal Tooth Washer
Nominal Inside Diameter 4.00 mm (Equiv. 0.157 in.)	Outside Diameter 8 mm (Equiv. 0.315 in.)	Material Thickness (T) 0.50 mm (Equiv. 0.02 in.)
Material: Carbon Spring Steel Nominal Screw Size: M4, 5/32 Actual ID (Ref): 4.3 mm Deleted Item. Available while stocks last.
Part Number: W0040-LI-008-005-C (PK-35) 1 pack (35 pcs) Available Now \| Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 35 Units Excludes GST and overseas Taxes & Duties Quantity Required 1 pack (35 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
W0040-LI-008-005-C (PK-35) --- Lock Washers - 4x8x0.5 mm Internal Tooth Washer Sale W0040-LI-008-005-C (PK-35) --- Lock Washers - 4x8x0.5 mm Internal Tooth Washer Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 35 Units Excludes GST and overseas Taxes & Duties 1 Available Now Sale
Lock Washers - 4.76x9.7x0.6 mm Internal Tooth Washer
Nominal Inside Diameter 4.76 mm (Equiv. 0.187 in.)	Outside Diameter 9.7 mm (Equiv. 0.382 in.)	Material Thickness (T) 0.60 mm (Equiv. 0.024 in.)
Material: Zinc Plated Steel Nominal Screw Size: 10-24, 10-32, 3/16 Actual ID (Ref): 5 mm
Part Number: W0048-LI-010-006-CZ (PK-50) 16 units (800 pcs) Available Now \| Further orders can be expected around Thu, Mar 12, 2026 Regular price $3.68 AUD Regular price ~~$6.81 AUD~~ Sale price $3.68 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 16 available can be backordered.
Lock Washers - 4.76x9.7x0.6 mm Internal Tooth Washer
Nominal Inside Diameter 4.76 mm (Equiv. 0.187 in.)	Outside Diameter 9.7 mm (Equiv. 0.382 in.)	Material Thickness (T) 0.60 mm (Equiv. 0.024 in.)
Material: Zinc Plated Steel Nominal Screw Size: 10-24, 10-32, 3/16 Actual ID (Ref): 5 mm
Part Number: W0048-LI-010-006-CZ (PK-50) 16 units (800 pcs) Available Now \| Further orders can be expected around Thu, Mar 12, 2026 Regular price $3.68 AUD Regular price ~~$6.81 AUD~~ Sale price $3.68 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required 16 units (800 pcs) Available Now. Backorder if more than 16.
W0048-LI-010-006-CZ (PK-50) --- Lock Washers - 4.76x9.7x0.6 mm Internal Tooth Washer Sale W0048-LI-010-006-CZ (PK-50) --- Lock Washers - 4.76x9.7x0.6 mm Internal Tooth Washer Regular price $3.68 AUD Regular price ~~$6.81 AUD~~ Sale price $3.68 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties 16 Available Now Sale
Lock Washers - 5x10x0.6 mm Internal Tooth Washer
Nominal Inside Diameter 5.00 mm (Equiv. 0.197 in.)	Outside Diameter 10 mm (Equiv. 0.394 in.)	Material Thickness (T) 0.60 mm (Equiv. 0.024 in.)
Material: Carbon Spring Steel Nominal Screw Size: M5, 10-24, 10-32, 3/16 Actual ID (Ref): 5.3 mm Deleted Item. Available while stocks last.
Part Number: W0050-LI-010-006-C (PK-10) 8 units (80 pcs) Available Now \| Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required 8 units (80 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 5x10x0.6 mm Internal Tooth Washer
Nominal Inside Diameter 5.00 mm (Equiv. 0.197 in.)	Outside Diameter 10 mm (Equiv. 0.394 in.)	Material Thickness (T) 0.60 mm (Equiv. 0.024 in.)
Material: Carbon Spring Steel Nominal Screw Size: M5, 10-24, 10-32, 3/16 Actual ID (Ref): 5.3 mm Deleted Item. Available while stocks last.
Part Number: W0050-LI-010-006-C (PK-10) 8 units (80 pcs) Available Now \| Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required 8 units (80 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
W0050-LI-010-006-C (PK-10) --- Lock Washers - 5x10x0.6 mm Internal Tooth Washer Sale W0050-LI-010-006-C (PK-10) --- Lock Washers - 5x10x0.6 mm Internal Tooth Washer Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties 8 Available Now Sale
Lock Washers - 6x11x0.7 mm Internal Tooth Washer
Nominal Inside Diameter 6.00 mm (Equiv. 0.236 in.)	Outside Diameter 11 mm (Equiv. 0.433 in.)	Material Thickness (T) 0.70 mm (Equiv. 0.028 in.)
Material: Carbon Spring Steel Nominal Screw Size: M6 Actual ID (Ref): 6.4 mm Deleted Item. Available while stocks last.
Part Number: W0060-LI-011-007-C (PK-10) 7 units (70 pcs) Available Now \| Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required 7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 6x11x0.7 mm Internal Tooth Washer
Nominal Inside Diameter 6.00 mm (Equiv. 0.236 in.)	Outside Diameter 11 mm (Equiv. 0.433 in.)	Material Thickness (T) 0.70 mm (Equiv. 0.028 in.)
Material: Carbon Spring Steel Nominal Screw Size: M6 Actual ID (Ref): 6.4 mm Deleted Item. Available while stocks last.
Part Number: W0060-LI-011-007-C (PK-10) 7 units (70 pcs) Available Now \| Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required 7 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
W0060-LI-011-007-C (PK-10) --- Lock Washers - 6x11x0.7 mm Internal Tooth Washer Sale W0060-LI-011-007-C (PK-10) --- Lock Washers - 6x11x0.7 mm Internal Tooth Washer Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties 7 Available Now Sale
Lock Washers - 6x13x0.7 mm Internal Tooth Washer
Nominal Inside Diameter 6.00 mm (Equiv. 0.236 in.)	Outside Diameter 13 mm (Equiv. 0.512 in.)	Material Thickness (T) 0.70 mm (Equiv. 0.028 in.)
Material: Zinc Plated Steel Nominal Screw Size: M6 Actual ID (Ref): 6.2 mm
Part Number: W0060-LI-013-007-CZ (PK-50) 3 units (150 pcs) Available Now \| Further orders can be expected around Thu, Mar 12, 2026 Regular price $4.59 AUD Regular price Sale price $4.59 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 3 available can be backordered.
Lock Washers - 6x13x0.7 mm Internal Tooth Washer
Nominal Inside Diameter 6.00 mm (Equiv. 0.236 in.)	Outside Diameter 13 mm (Equiv. 0.512 in.)	Material Thickness (T) 0.70 mm (Equiv. 0.028 in.)
Material: Zinc Plated Steel Nominal Screw Size: M6 Actual ID (Ref): 6.2 mm
Part Number: W0060-LI-013-007-CZ (PK-50) 3 units (150 pcs) Available Now \| Further orders can be expected around Thu, Mar 12, 2026 Regular price $4.59 AUD Regular price Sale price $4.59 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required 3 units (150 pcs) Available Now. Backorder if more than 3.
W0060-LI-013-007-CZ (PK-50) --- Lock Washers - 6x13x0.7 mm Internal Tooth Washer W0060-LI-013-007-CZ (PK-50) --- Lock Washers - 6x13x0.7 mm Internal Tooth Washer Regular price $4.59 AUD Regular price Sale price $4.59 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties 3 Available Now
Lock Washers - 8x15x0.8 mm Internal Tooth Washer
Nominal Inside Diameter 8.00 mm (Equiv. 0.315 in.)	Outside Diameter 15 mm (Equiv. 0.591 in.)	Material Thickness (T) 0.80 mm (Equiv. 0.031 in.)
Material: Carbon Spring Steel Nominal Screw Size: M8, 5/16 Actual ID (Ref): 8.4 mm Deleted Item. Available while stocks last.
Part Number: W0080-LI-015-008-C (PK-15) 1 pack (15 pcs) Available Now \| Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 15 Units Excludes GST and overseas Taxes & Duties Quantity Required 1 pack (15 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Lock Washers - 8x15x0.8 mm Internal Tooth Washer
Nominal Inside Diameter 8.00 mm (Equiv. 0.315 in.)	Outside Diameter 15 mm (Equiv. 0.591 in.)	Material Thickness (T) 0.80 mm (Equiv. 0.031 in.)
Material: Carbon Spring Steel Nominal Screw Size: M8, 5/16 Actual ID (Ref): 8.4 mm Deleted Item. Available while stocks last.
Part Number: W0080-LI-015-008-C (PK-15) 1 pack (15 pcs) Available Now \| Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 15 Units Excludes GST and overseas Taxes & Duties Quantity Required 1 pack (15 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
W0080-LI-015-008-C (PK-15) --- Lock Washers - 8x15x0.8 mm Internal Tooth Washer Sale W0080-LI-015-008-C (PK-15) --- Lock Washers - 8x15x0.8 mm Internal Tooth Washer Regular price $8.00 AUD Regular price ~~$15.20 AUD~~ Sale price $8.00 AUD Unit price per Priced, Stocked and Sold Per 15 Units Excludes GST and overseas Taxes & Duties 1 Available Now Sale