Hitch Pin
Pins · linch pin · hitch pin clip · clevis hitch pin
Definition: A hitch pin is a quick-release pin that secures a hitch, drawbar, or clevis, retained with a spring clip so it can be pulled by hand.
Anatomy
■ Shank■ Chamfered ends
Governing standards: Manufacturer specified (no universal standard)
Common Sizes
| Inch | Metric | Head width | Head height |
|---|---|---|---|
| 1/4 | 6 mm | usable 2 | 1/4 dia |
| 5/16 | 8 mm | usable 2-1/2 | 5/16 dia |
| 3/8 | 10 mm | usable 3 | 3/8 dia |
Representative sizes. Full dimensional data lives in the standards listed below.
Grades & Strength
| Grade | Material | Tensile (psi) | Marking |
|---|---|---|---|
| Steel | carbon steel, zinc-plated | — | None |
| Stainless | 304 stainless | — | None |
Materials
- Zinc-plated steel
- Stainless steel
Pros & Cons
Pros
- Tool-free, one-hand removal
- High shear strength
- Cheap and durable
Cons
- Clip can be lost or vibrate out
- Not a locking fastener
- Sizing must match the hitch bore
Typical Uses
- Tractor and trailer hitches
- Drawbars
- Three-point linkages
- Agricultural equipment
Alternatives & Related
- Clevis Pin — Headed pin retained with a cotter pin
- Detent Pin — Button-release pin with ball lock
Where to Buy
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FAQ
Hitch pin vs clevis pin?
A hitch pin is quick-release with a loop handle and spring clip; a clevis pin is a headed pin secured by a cotter pin. Both carry shear loads in linkages.
What size hitch pin do I need?
Match the pin diameter to the hitch bore and the usable length to the parts you are joining.