Besides zinc, carbon steel Durable Split Pins can have other coatings. Cadmium plating used to be good for resisting rust, but it’s not used as much now because it’s toxic. Phosphate coating (the industry's common process is phosphating) forms a protective film on the substrate surface through chemical conversion. This not only significantly improves the metal's rust and corrosion resistance, but also serves as an excellent base layer for paint coating. Its porous structure enhances paint film adhesion and its ability to accommodate lubricating oil makes it suitable for mechanical parts that require lubrication. Hot-dip galvanizing puts a thick, tough zinc layer on, which is good for harsh outdoor or marine use, though it might make them fit less well in tight holes. Stainless steel and brass Durable Split pins are usually used without any coating—their material itself resists rust.
Mon | Φ2 |
Φ3.2 |
Φ4 |
Φ5 |
Φ6.3 |
Φ8 |
d max | 1.8 | 2.9 | 3.7 | 4.6 | 5.9 | 7.5 |
d min | 1.7 | 2.7 | 3.5 | 4.4 | 5.7 | 7.3 |
c max | 3.6 | 5.8 | 7.4 | 9.2 | 11.8 | 15 |
c min | 3.2 | 5.1 | 6.5 | 8 | 10.3 | 13.1 |
a max | 2.5 | 3.2 | 4 | 4 | 4 | 4 |
Putting Durable Split Pins in right is key for them to work. Pick a pin whose diameter matches the hole size—it should fit snug but not need too much force to push in. Slide the split pin all the way through the hole until the head sits tight. Use pliers to bend the longer leg first, then bend the shorter one over and around the head or the first leg. Don’t bend them too far or kink them sharply— that can make them weaker. Make sure the bent legs don’t get in the way of moving parts. Never straighten out old Durable Split pins to reuse them.
Q:What is the minimum order quantity (MOQ) for Durable Split Pins?
A: For our standard Durable Split Pins, the minimum you have to order is usually pretty low—around 1,000 pieces per size. That makes it easy to get smaller trial orders. For really specific custom Durable Split pins, that minimum might be higher. We try to be flexible. You can discuss the plan by telling us the quantity and specifications you need. We can also negotiate discounts for bulk orders.