Washers - Lock - External Tooth - Spring Steel

Washers -> Lock -> External Tooth -> Spring Steel

There are 3 products in the sub-categories of Washers - Lock - External Tooth - Spring Steel. Browse the Washers - Lock - External Tooth - Spring Steel products table.

Category Details

A selection of Spring Steel External Tooth Lock Washers. Spring steel, external 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.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Washers - Lock - External Tooth - Spring Steel category on the MBA Minibearings main store.
Nominal Inside Diameter Outside Diameter Material Thickness (T) Indicative
Image
Lock Washers - 2x4.5x0.3 mm External Tooth Washer
Nominal Inside Diameter
2.00
mm

(Equiv. 0.079 in.)
Outside Diameter
4.5
mm

(Equiv. 0.177 in.)
Material Thickness (T)
0.30
mm

(Equiv. 0.012 in.)
Lock Washers - 2x4.5x0.3 mm
Material: Carbon Spring Steel    Nominal Screw Size: M2, 2-56, 2-64    Actual ID (Ref): 2.2 mm   
Deleted Item. Available while stocks last.
Part Number: W0020-LE-005-003-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
$8.00 AUD
$15.20 AUD $8.00 AUD
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.
Nominal Inside Diameter Outside Diameter Material Thickness (T) Indicative
Image
Lock Washers - 2x4.5x0.3 mm External Tooth Washer
Nominal Inside Diameter
2.00
mm

(Equiv. 0.079 in.)
Outside Diameter
4.5
mm

(Equiv. 0.177 in.)
Material Thickness (T)
0.30
mm

(Equiv. 0.012 in.)
Lock Washers - 2x4.5x0.3 mm
Material: Carbon Spring Steel    Nominal Screw Size: M2, 2-56, 2-64    Actual ID (Ref): 2.2 mm   
Deleted Item. Available while stocks last.
Part Number: W0020-LE-005-003-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
$8.00 AUD
$15.20 AUD $8.00 AUD
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 - 3x7.4x0.5 mm External Tooth Washer
Nominal Inside Diameter
3.00
mm

(Equiv. 0.118 in.)
Outside Diameter
7.4
mm

(Equiv. 0.291 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 3x7.4x0.5 mm
Material: Zinc Plated Steel    Nominal Screw Size: M3, 5-40, 5-44, 1/8    Actual ID (Ref): 3.2 mm   
Part Number: W0030-LE-007-005-CZ (PK-50)
31 units (1550 pcs) Available Now | Further orders can be expected around Thu, Mar 12, 2026
$6.59 AUD
$6.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 31 available can be backordered.
Lock Washers - 3x7.4x0.5 mm External Tooth Washer
Nominal Inside Diameter
3.00
mm

(Equiv. 0.118 in.)
Outside Diameter
7.4
mm

(Equiv. 0.291 in.)
Material Thickness (T)
0.50
mm

(Equiv. 0.02 in.)
Lock Washers - 3x7.4x0.5 mm
Material: Zinc Plated Steel    Nominal Screw Size: M3, 5-40, 5-44, 1/8    Actual ID (Ref): 3.2 mm   
Part Number: W0030-LE-007-005-CZ (PK-50)
31 units (1550 pcs) Available Now | Further orders can be expected around Thu, Mar 12, 2026
$6.59 AUD
$6.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

31 units (1550 pcs) Available Now. Backorder if more than 31.
Lock Washers - 4x9x0.6 mm External Tooth Washer
Nominal Inside Diameter
4.00
mm

(Equiv. 0.157 in.)
Outside Diameter
9
mm

(Equiv. 0.354 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 4x9x0.6 mm
Material: Zinc Plated Steel    Nominal Screw Size: M4, 5/32    Actual ID (Ref): 4.2 mm   
Part Number: W0040-LE-009-006-CZ (PK-50)
80 units (4000 pcs) Available Now | Further orders can be expected around Thu, Mar 12, 2026
$3.50 AUD
$6.54 AUD $3.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 80 available can be backordered.
Lock Washers - 4x9x0.6 mm External Tooth Washer
Nominal Inside Diameter
4.00
mm

(Equiv. 0.157 in.)
Outside Diameter
9
mm

(Equiv. 0.354 in.)
Material Thickness (T)
0.60
mm

(Equiv. 0.024 in.)
Lock Washers - 4x9x0.6 mm
Material: Zinc Plated Steel    Nominal Screw Size: M4, 5/32    Actual ID (Ref): 4.2 mm   
Part Number: W0040-LE-009-006-CZ (PK-50)
80 units (4000 pcs) Available Now | Further orders can be expected around Thu, Mar 12, 2026
$3.50 AUD
$6.54 AUD $3.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

80 units (4000 pcs) Available Now. Backorder if more than 80.