A taper pin is a fastener used in mechanical engineering.
Taper pin sizes.
To install create a tapered hole using a taper pin drill bit that matches the pin number.
Choose from our selection of taper pins including over 650 products in a wide range of styles and sizes.
Diameter large end d.
3 4 to 1.
Pin number basic diameter large end major diameter d end crown radius r pin length l drill size inches approx.
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.
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.
They are steel rods with one end having a slightly larger diameter than the other.
Ramge of lenghts l.
The standard taper is 1 4 per foot.
Sizes 6 to 10 will need 3 sizes of drills to prepare hole for reaming.
Since taper pins are used in everything from clutch assemblies to lathes to bicycle gears they come in different sizes and materials.
Standard inch sized taper pins have a taper on diameter of 1 48 while metric ones have a taper of 1 50.
Diameter large end d.
Threaded taper pins include one threaded end that secures with a nut.
In stock and ready to ship.
For use as an aid in hole alignment taper pins are made of steel with 18 8 stainless steel available upon request.
Taper pin sizes can be shown as nominal such as 7 or be listed as a decimal equivalent such as 0 063.
Steel pins have good strength.
Sizes 2 0 to 5 will need 2 sizes of drills.
While solid tapered pins are common a split taper pin may be suitable where easy removal is needed.
To remove hit the small end of the pin with a punch to drive it out.
A 10 taper pin 6 long would require 3 drills to prepare the hole for reaming as shown below.
Sizes 7 0 to 3 0 will only need 1 size drill.
Range of lenghts l.
Length is measured from end of the pin to the other.
Breaking strength is measured as single shear which is the force required to break the pin into two pieces.
These solid cylindrical rods have a uniform taper of 1 4 per foot for standard 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.
Metric pins meet din 1 specifications.
