Taper Pin Sizes

A taper pin is a fastener used in mechanical engineering.

Taper pin sizes.

Since taper pins are used in everything from clutch assemblies to lathes to bicycle gears they come in different sizes and materials. Threaded taper pins include one threaded end that secures with a nut. For use as an aid in hole alignment taper pins are made of steel with 18 8 stainless steel available upon request. Sizes 7 0 to 3 0 will only need 1 size drill.

Taper pin sizes can be shown as nominal such as 7 or be listed as a decimal equivalent such as 0 063. They are steel rods with one end having a slightly larger diameter than the other. Size 8 0 3984 small end diam 0 492 large end diam uncoated steel taper pin grade c 12l14 4 1 2 oal 4 1 2 pin length msc 67552562 value collection in stock. In stock and ready to ship.

Sizes 6 to 10 will need 3 sizes of drills to prepare hole for reaming. Taper pins connect a gear hub collar or pulley to a shaft. These solid cylindrical rods have a uniform taper of 1 4 per foot for standard sizes. Pin hole to fit standard taper pins use the chart on page 1 to to find the length of pin to be used and follow the taper pin length dot to the drill diameter size to use.

Length is measured from end of the pin to the other. Some are threaded on one end to accept a nut. Steel pins have good strength. Max min max min 6 0 0 078 5 64 0 079 0 078 0 088 0 068 3 8 50 1 2 51 5 8.

Breaking strength is measured as single shear which is the force required to break the pin into two pieces. Pin number basic diameter large end major diameter d end crown radius r pin length l drill size inches approx. The standard taper is 1 4 per foot. Stocked in diameters from 1 16 to 23 32 and lengths from 1 2 to 7.

Ramge of lenghts l. To remove hit the small end of the pin with a punch to drive it out. Diameter large end d. While solid tapered pins are common a split taper pin may be suitable where easy removal is needed.

3 4 to 1. To install create a tapered hole using a taper pin drill bit that matches the pin number. A 10 taper pin 6 long would require 3 drills to prepare the hole for reaming as shown below. Metric pins meet din 1 specifications.

Diameter large end d. Choose from our selection of taper pins including over 650 products in a wide range of styles and sizes.