Taper Pin 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.

Taper pin sizes.

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. Taper pins connect a gear hub collar or pulley to a shaft. 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.

Range of lenghts l. A taper pin is a fastener used in mechanical engineering. Stocked in diameters from 1 16 to 23 32 and lengths from 1 2 to 7. Ramge of lenghts l.

In stock and ready to ship. Diameter large end d. 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.

3 4 to 1. Standard inch sized taper pins have a taper on diameter of 1 48 while metric ones have a taper of 1 50. The standard taper is 1 4 per foot. Diameter large end d.

These solid cylindrical rods have a uniform taper of 1 4 per foot for standard sizes. Taper pin sizes can be shown as nominal such as 7 or be listed as a decimal equivalent such as 0 063. Some are threaded on one end to accept a nut. While solid tapered pins are common a split taper pin may be suitable where easy removal is needed.

Since taper pins are used in everything from clutch assemblies to lathes to bicycle gears they come in different sizes and materials. Choose from our selection of taper pins including over 650 products in a wide range of styles and sizes. Metric pins meet din 1 specifications. To install create a tapered hole using a taper pin drill bit that matches the pin number.

Steel pins have good strength. Sizes 6 to 10 will need 3 sizes of drills to prepare hole for reaming. Sizes 7 0 to 3 0 will only need 1 size drill. Sizes 2 0 to 5 will need 2 sizes of drills.

A 10 taper pin 6 long would require 3 drills to prepare the hole for reaming as shown below. 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.