Taper Pin Specs

To install create a tapered hole using a taper pin drill bit that matches the pin number.

Taper pin specs.

The width on the small end of taper pins is considered a function of the length and should be specified as a reference dimension for determining the drilled hole size. Taper pin reamer specifications. To remove hit the small end of the pin with a punch to drive it out. These dimensions are calculated by multiplying the nominal length of the pin by 0 2083 and subtracting the result from the desired pin diameter.

The closest fractional equivalents of the metric drills are also listed if the metric drills. It is highly recommended that prior to reaming one or more drills should be used to reduce the amount of material to be removed. Max min max min 6 0 0 078. Standard inch sized taper pins have a taper on diameter of 1 48 while metric ones have a taper of 1 50.

They are steel rods with one end having a slightly larger diameter than the other. Pin number basic diameter large end major diameter d end crown radius r pin length l drill size inches approx. Steel pins have good strength. A 1 48 taper means that one end of a 4 foot long bar 48 inches will be 1 inch smaller in diameter than the other end or a 1 4 inch taper over a.

A taper pin is a fastener used in mechanical engineering. Breaking strength is measured as single shear which is the force required to break the pin into two pieces.