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Cotter Pin China Custom Hot Selling Stainless Steel Quick Release Hairpin Cotter Pins

Product Description
Product Name
cotter pin
M0.6~M13,Standard.non-standard according to drawing or samples
according to ur request.
Available Material
1. Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
2. Steel: C45(K1045), C46(K1046), C20,etc.
3. Brass: C36000 ( C26800), C37700 ( HPb59), C38500( HPb58),
C27200CuZn37), C28000(CuZn40),etc.
5. Iron: 1213, 12L14, 1215, etc.
6. Aluminum: Al6061, Al6063, etc.
7. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045,12L14,etc.
8. Alloy steel: SCM435,10B21, C10B33,etc.
Surface Treatment
zinc plated,etc.
OEM / ODM / customized service provided
Quality control
ISO standard,100% Whole range inspection through the production

Each leg of the cotter pin shall be able to withstand repeated bending without fracture or crack in the bending part.

Bending method: pull the cotter pin apart and clamp any part of its leg in the inspection mold (no flattening); Then bend the cotter pin 90 °, and one round trip is one bend. The test speed shall not exceed 60 times/min. The inspection die shall produce a semicircular slot hole, whose diameter is the nominal size of the overhead. The jaw should have a fillet of r=0.5mm
Eyes should be round as far as possible The cross section of the two legs of the cotter pin should be circular, but it is allowed to have a fillet with radius r=(0.05~0.01) dmax at the junction of the plane of the two legs of the cotter pin and the circumference (d - diameter of the cotter pin)
The clearance between two cotter pins and the displacement of two pins shall not be greater than the difference between the nominal size of the cotter pin and dmax.
If the cotter pin is allowed to be made into an opening, the included angle a of the inner plane of its two feet should meet the specification.

Using Effects

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Application of split pin

It is used to prevent thread connection from loosening. After the nut is tightened, insert the cotter pin into the nut slot and the bolt tail hole, and pull the cotter pin tail to prevent the relative rotation of the nut and the bolt. Cotter pin anti-loose (1 piece) Cotter pin is a kind of metal hardware, commonly known as spring pin.

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