Eight Sizes Always Ready!

"I was completely stalled in the middle of a repair because a rusted star washer snapped during removal. Grabbing this kit saved my afternoon by providing the exact replacement size immediately from the organized box." — Dave M.

Why Get Our 500PCS Internal Tooth Star Lock Washers Assortment Kit?

✅Instant Job Continuity: Finding a damaged washer mid-repair usually stalls your momentum, but this complete 500PCS Internal Tooth Star Lock Washers Assortment Kit ensures professional mechanics and DIYers have eight standard sizes ready to install without leaving the workspace.

✅Vibration-Proof Steel: Crafted from resilient 65Mn metal steel with a corrosion-resistant black oxide coating, these internal teeth grip tightly against surfaces to prevent nuts from backing off under high-vibration conditions.

✅Organized Storage Case: The sturdy, multi-compartment carrying box keeps every size separated and visible, allowing busy tradespeople to grab the precise washer they need in seconds without searching through messy toolboxes.

⚙️ Specifications:

• Color: Black

• Material: Carbon Steel with Black Oxide finish

• Outside Diameter: 0.1 inches

• Washer Type: Internal Tooth Lock

• Sizes Included: M2.5, M3, M4, M5, M6, M8, M10, M12

• Item Weight: 0.525 lbs

• Compatibility: Metric bolts, shafts, automotive, machinery, electronics, and furniture repairs

• Package Dimensions: 5.39" W × 3.78" D × 0.87" H

📦Package Inclusions:

• 100 x M2.5 x 8mm Internal Tooth Star Lock Washer

• 100 x M3 x 9mm Internal Tooth Star Lock Washer

• 70 x M4 x 12mm Internal Tooth Star Lock Washer

• 60 x M5 x 14mm Internal Tooth Star Lock Washer

• 60 x M6 x 16mm Internal Tooth Star Lock Washer

• 50 x M8 x 18mm Internal Tooth Star Lock Washer

• 30 x M10 x 20mm Internal Tooth Star Lock Washer

• 30 x M12 x 25mm Internal Tooth Star Lock Washer

• 1 x Pre-Sorted Compartmentalized Storage Case