Roll Pin Sizes

They are often used as hinge pins or to hold.

Roll pin sizes.

The size of each pin listed below is the size of the hole the pin is designed to fit in. Nominal pin dia decimal nominal pin dia fraction max go ring gage d max nom min max. In stock and ready to ship. Also known as roll tension split and expansion pins these pins have a slot along one side that you squeeze closed to install them into unthreaded holes.

Also known as spring pins or tension pins. Spring roll pins these pins feature hollow cylinders slit longitudinally permitting compression during insertion. Spring pins are also easy to insert and remove. Recommended b m pintool a b c recommended hole size wall thickness.

Designed to replace taper pins straight pins and set screws they will also serve as a rivet dowel hinge pin or cotter pin in many applications. Also called a roll pin the spring pin withstands side loads and rotational friction making it ideal for securing shaft and axle connections. Because of the hollow thin wall construction of a roll pin a standard pin punch will often collapse mar or distort the end of the pin or be driven into and jammed inside the hollow core of the roll pin. The pin itself will be slightly larger than this size.

A spring pin is a hollow split dowel pin that exerts uniform outward pressure when fitted into a nut or shaft hole. These pins absorb shock and vibration in your system and keep parts from loosening. Choose from our selection of roll pins including slotted spring pins coiled spring pins and more. Made of 1070 carbon spring steel hardened to rockwell 45 50 tempered and oiled they can be doubled up for heavy duty applications.

Once installed they expand slightly creating outward tension that holds them tight against the hole wall.