175-PIECE 304 STAINLESS STEEL COTTER PIN ASSORTMENT KIT — 5 Popular Sizes, 35 Pieces per Size, in One Organized Case.
304 stainless steel · 5 popular sizes · 175 pieces — the essential fastener kit for every tool kit.
Key Features & Callouts
1.Made of 304 Stainless Steel
High-grade 304 stainless steel delivers excellent corrosion and rust resistance — durable for both indoor and outdoor environments.
2.Corrosion Resistant
Withstands moisture, chemicals and weather exposure without rusting — ideal for automotive and outdoor equipment.
3.Smooth Surface
Smooth, silver-toned surface avoids snagging on hoses, wiring or hands during installation.
4.Strong & Flexible
Flexible prongs insert easily, then bend apart to lock securely — strong enough to hold, flexible enough to install by hand or pliers.
5.Hairpin / Split Design with Rounded Eye
Traditional split-pin form with a rounded eye head and two slightly unequal prongs — the standard, proven shape for castle-nut and holed-shaft locking.
6.Organized Storage Case with Size Guide
Clear 5-compartment case with snap-lock lid, hanging loop and a red/white size-guide label — pins stay separated and easy to identify at a glance, portable for toolbox, truck or workbench.
![Stainless Steel Cotter Pins Assortment Kit 175 Pcs, 304, 5 Sizes, Case 6]()
This 175-piece 304 stainless steel cotter pin assortment kit is available from stock (in stock / ready stock). Standard stock configuration: 175 pcs/set — 1×16, 1.5×20, 2×25, 3×30 and 4×40 mm, 35 pieces per size — 304 stainless steel, natural silver, in a clear 5-compartment case with size-guide label, packed 96 sets per export carton. Samples and bulk orders can ship promptly for retail, wholesale and private-label programs.
Beyond ready stock, we offer full OEM/ODM & private label services — ready for wholesale and private label:
Packaging,Box,Label,Assortment,Manual,Bulk & Carton...
![Stainless Steel Cotter Pins Assortment Kit 175 Pcs, 304, 5 Sizes, Case 7]()
FAQ
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Q: What is included in this cotter pin kit? A: 175 pieces of 304 stainless steel cotter pins in 5 sizes — 1×16, 1.5×20, 2×25, 3×30 and 4×40 mm, 35 pieces each — with a clear 5-compartment storage case.
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Q: What are cotter pins (split pins) used for? A: To lock bolts, castle nuts, shafts and axles in place so they cannot vibrate loose — used across automotive, trailers, farm equipment, machinery and DIY.
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Q: What is the material and finish? A: High-grade 304 stainless steel with a natural silver finish — corrosion resistant, smooth-surfaced, strong and flexible, suitable for indoor and outdoor use.
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Q: Why are there two prongs of different lengths? A: The traditional split-pin design: insert the shorter prong first, then bend the longer prong over the castle nut or shaft end to lock it securely.
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Q: Are these in stock? Can we customize? A: Yes, in stock for prompt shipment. OEM/ODM available: custom assortments, private labels, lid inserts, case branding, material options (304/316/zinc) and bulk packing.