500-Piece Starlock Washer Kit

"This kit has every size I need — the organized clear case keeps everything sorted and the carbon steel quality is solid for heavy-duty work."- Derek M.

Why Get 500PCS Internal Tooth Starlock Washers Push Nut Assortment?

✅ 8 Sizes, One Kit: Covers M2.5 through M12 across 500 pieces, so you’re not hunting for the right washer mid-job. Every size is sorted and individually stored for fast access on the workbench or in the field.

✅ High-Strength Carbon Steel: Made from quality carbon steel with a black oxide finish, these washers deliver real load-bearing durability. Built to handle the demands of machinery, automotive, shipbuilding, aerospace, and rail applications.

✅ Organized & Ready to Use: Each of the 8 sizes comes pre-sorted in its own compartment inside a clear carry case. No mixing, no searching — just grab what you need and get back to work.

⚙️ Specifications:

• Item Weight: 8.5 ounces
• Material: Carbon Steel
• Exterior Finish: Black Oxide
• Washer Type: Internal Tooth Lock
• Fastener Size: M2.5, M3, M4, M5, M6, M8, M10, M12
• Outside Diameter: M2.5–8 / M3–9 / M4–12 / M5–14 / M6–16 / M8–18 / M10–20 / M12–25 mm
• Number of Items: 500 pcs

📦 Package Inclusions:

• 100 x M2.5-8 Internal Tooth Star Lock Washers
  
• 100 x M3-9 Internal Tooth Star Lock Washers
  
• 70 x M4-12 Internal Tooth Star Lock Washers
  
• 60 x M5-14 Internal Tooth Star Lock Washers
  
• 60 x M6-16 Internal Tooth Star Lock Washers
  
• 50 x M8-18 Internal Tooth Star Lock Washers
  
• 30 x M10-20 Internal Tooth Star Lock Washers
  
• 30 x M12-25 Internal Tooth Star Lock Washers
  
• 1 x Clear Storage Case