Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Washers
Origin	-
Material	304 Stainless Steel
Standard	US Standard (Imperial)
Type	Split Spring Lock Washer
Available Sizes	#2, #4, #6, 1/4 inch
Finish	Polished Silver
Hardness	High Tensile Strength
Corrosion Resistance	Excellent (Rust Resistant)
Application	Automotive, Machinery, DIY Projects
Package Content	Assorted Kit (Multiple Counts per Size)
Brand	Guwanji

6 reviews

Anonymous

Mar 28, 2026

Rating: 5/5

High quality metal

I work in marine repair, and finding genuine 304 stainless steel at this price point is rare. These hold up well against saltwater exposure. Highly recommended for outdoor applications.

Anonymous

Mar 27, 2026

Rating: 4/5

Good variety pack

Great assortment of sizes. I mostly used the #6 and 1/4 inch sizes for some furniture assembly. One star off because the container lid was a bit loose, but the washers themselves are top-notch.

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect fit for my automotive project

These washers are exactly what I needed for restoring an old car engine. The 304 stainless steel quality is evident, and they haven't shown any signs of rust after a few months of use. The split design provides great tension.

Anonymous

Mar 23, 2026

Rating: 4/5

Solid product

Very sturdy washers. I used them on a garden gate installation. They seem durable, though I wish there were slightly more of the smaller #2 size in the mix compared to the larger ones.

Anonymous

Mar 20, 2026

Rating: 5/5

Great value for money

Bought these for general household repairs. The quality exceeds expectations for the price. No sharp edges that cut into fingers during installation, which is a nice touch.

Anonymous

Mar 02, 2026

Rating: 5/5

Essential for any toolbox

Always running out of lock washers? Get this kit. The US standard sizing matches all my existing bolts perfectly. The spring action is strong enough to prevent loosening due to vibration.

5 FAQ

Q: Is the packaging resealable?

A: Yes, the washers come in a durable plastic compartment box with a snap-on lid, making it easy to store and organize your remaining inventory.

Q: How many pieces of each size are included in the kit?

A: The exact count varies by batch, but typically the kit contains approximately 50 pieces of each size (#2, #4, #6, and 1/4 inch), totaling around 200 washers.

Q: Can these be reused after removal?

A: Spring lock washers are generally designed for single-use applications as the split may lose some tension after compression. For critical safety applications, we recommend using new washers.

Q: Will these rust if used outdoors?

A: No, these are made from 304 Stainless Steel, which offers excellent corrosion resistance and is suitable for outdoor and marine environments under normal conditions.

Q: Are these washers compatible with metric bolts?

A: These are manufactured to US Imperial standards (#2, #4, #6, 1/4). While they might physically fit some metric bolts of similar diameter, we recommend using them with imperial fasteners for optimal locking performance.

Explore your interests

Honeywell Fresh Air Filter - ERF150/ERF250/ERF350C0N/ERF150D/250D/350D Replacement Filters

$54.00

Chint Claw Hammer, One-Piece Formed Iron Hammer, Tool Nail Hammer, Mini Household Small Hammer Specialized for Woodworking

$5.00

Aluminum Alloy Diaphragm Coupling High Rigidity High Torque SCPS DBJ SCPW Servo Screw Motor Coupling

$28.80

Mold Support Pins SKD61; Three-stage Support Rods; Two-stage Mold Ejector Pins; Heat-resistant Stepped Push Rods with Head; Secondary Support Pins

$5.80

304 Stainless Steel Split Lock Washer Spring Washer 316/201 Elastic Shim M1.6 M2 M3 M4 M5 M6 M8-M33

$1.20

Flanged Copper Bushing with Washer Bearing Powder Metallurgy Oil-Impregnated Copper Bushing with Shoulder Step Flange Copper Sleeve Inner Diameter 1-30

$0.76

Beech Wood Two-Piece Cleaver Handle Accessories, Household Fixed Guard, Handmade Knife Rivet Handle Replacement, Solid Wood Handle

$3.51

Xingchen Oil-Water Separator Filter AC2010-02D, Automatic Drain Two-Component Unit AC3010-03/AC4010

$8.00

Universal Joint Cross Bearing - Sizes 20x45, 22x55, 20x55

$19.00

Figure-8 Coupling GB Encoder Shaft Connector Polyurethane TPU Flexible Plastic Elastic Shaft Sleeve

$13.00

Heavy-Duty Double Steel Wire Tiger Clamp Galvanized Strong Hose Clamp for Pipes Hoses Water Oil Tubes Stainless Steel Band Clamp

$2.60

European Standard Aluminum Profile T-Slot Nuts, Carbon Steel Square Nuts for Types 20, 30, 40, 45 (M3/M4/M5)

$0.55

Custom Non-standard Parts

$650.00

GA/GB Precision Guide Bushing Inner Small Guide Post Stamping Hardware Mold Wear-Resistant 8 10 12 14 16 18 20 25

$3.20

Aotian Extreme 24-25 BURTON STEP ON GENESIS Men's Dual Highback Step-On Snowboard Bindings

$2,288.50

Cungang Micro Ball Guide Pillar and Sleeve, Precision Micro Ball Bushing Guide Assembly, Bronze Bushing, FA Automation Bearing

$60.00

Jinchao Grade 12.9 Socket Set Screws Pointed Machine Screws Headless Grub Screws M3 M4 M5 M6-M16

$0.92

CNC Lathe 0640 Chuck Saw 4-Cut Non-Quenched Round Through Hole 3-46 Internal Thread M48x1.5 Spindle

$20.00

304 Stainless Steel Extension Spring with S-Hook, Strong Curved Hook, Various Sizes and Lengths, Customizable for Oven Door Pull Springs

$1.00

Micro HK Needle Roller Bearing Assortment, Inner Diameters 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17-40mm

$0.58

In Stock Kaisite Solenoid Valve DG4V-5-2C-FW-H-60H 0C 6C 33C 8C 7C

$820.00

Sliding Bar Socket Extension Bar Power Bar Sliding Bar Large 1/2 Medium 3/8 Small 1/4 Fly Rail Tube Wrench Extension Bar Sliding Rod Tool

$3.25

Rotary Worktable Vertical and Horizontal Dual-Use Indexing Plate High-Precision CNC Milling Machine Rotary Table Indexing Head TS TSL

$2,155.00

Flat Pressure Thrust Ball Bearings 51200 51201 51202 51203 51204 51205 51206

$4.60

M20 National Standard Turnbuckle, Malleable Iron Screw Rigging, Spiral Buckle, Galvanized Flower Lantern Bolt, Utility Pole Wire Rope Tensioner

$10.80

M6 M8 M10 M12 M14 M16 Stainless Steel 304 Round Head Rivets GB867 Knock-in Mushroom Head Solid Sign Rivets

$2.43

Hammer Drill Adapter Chuck: Universal Connector for Rotary Hammers and Hand Drills, Compatible with Round Shank (Two Grooves) and Square Shank (Four Grooves)

$5.04

Precision Ball Guide Pillar and Bushing, Rolling Types 20 22 25 28 32 38 SRP TRP SGP Mold Accessories

$28.00

Wear-Resistant Double-Sided Dustproof Wire Grommet Round Cable Bushing Ring for Chassis Rubber Seal

$20.80

400kg 600kg 800kg High-Power Electric Vacuum Suction Cup, Construction Site Building Glass Handling Vacuum Lifting Machine

$5,664.00

TWSNS Taizhuan Shannais Oil-Water Separator Filter Self-Adjusting Pressure Valve Air Source Treatment Two-Piece Unit Pressure Reducing Valve

$11.00

Heavy-Duty Universal Caster Wheels, Silent Load-Bearing Rollers with Brakes, Directional Swivel Wheels for Trolleys, Furniture Moving Base

$2.13

Heavy-Duty Swivel Caster Polyurethane 4568 Inch Push Cart Plate Cart Cargo Wheel Wear-Resistant Steering Wheel Brake Wheel

$4.27

Galvanized Spring Lock Washers Open Thickened Spring Washers Screw Washers M4 M5 M6 M8 M10 M12-36

$5.95

Sliding Bar 1 Inch Heavy Duty 1/2 Sliding Bar Socket Extension Bar 1/4 3/8 4 Extended Bar Long Adapter Connector

$9.95

Air Source Processor Two-Piece Unit (BFR2000, BFC2000/3000/4000), Pressure Regulating Oil-Water Separator

$45.00

304 Stainless Steel Cross Countersunk Head Screws, Flat Head Machine Bolts, Assorted Electronic Small Screws M2/M3/M4/M5/M6

$1.10

Composite Washer External Hex Drill Tail Self-Tapping Screws for Color Steel Roofing Tiles, National Standard with Washer

$24.00

Custom Helical Gears for Reducers - Non-Standard Cylindrical Spiral Gears with Left/Right Hand Rotation, Module 1-20, 45-Degree Helix Angle

$10.00

Hammer Nut Hammer Head Cap Furniture Two-in-One Connector Cylinder Hammer Embedded Hex Socket Screw Cap M6 M8

$3.00