Metric Tapered Dowel Pin Dimensions

Metric unthreaded taper pins are produced by stanlok to iso 2339 din 1 in sizes from 0 6 mm through 50 mm.

Metric tapered dowel pin dimensions.

A taper pin is self tightening due to the small angle of the taper. A 1 48 taper is equivalent to 1 4 inch per foot. Stepped dowel pins have two or more different body diameters. Taper pins connect a gear hub collar or pulley to a shaft.

800 476 4849 170 aprill drive ann arbor michigan 48103 usa. Other sizes can be manufactured upon request. Metric pins meet din 1 specifications. Boneham s type b dowel pins are case hardened.

To remove hit the small end of the pin with a punch to drive it out. 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. Some are threaded on one end to accept a nut. Steel pins have good strength.

Metric pins provide a self holding taper of 1 mm per 50 mm of length. 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. Type b pins are turned and have a surface finish ra 3 2 micrometer. For the full standard size table please see the data sheet view the online published catalogue or request a hard copy from our technical sales team.

Taper pins technical a steel pin with a 1 50 taper for metric sizes and 1 48 taper for imperial sizes. Dowel pins are supplied from 1mm diameter to 25mm as standard. The pin s tapered design increases in diameter from one end to the other allowing for accurate secure installation to tapered holes. 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. Tapered pins have a taper rate of 1 4 per foot from the larger diameter to the smaller diameter. Standard inch sized taper pins have a taper on diameter of 1 48 while metric ones have a taper of 1 50. To install create a tapered hole using a taper pin drill bit that matches the pin number.

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 are similar to a regular tapered pin but with helical grooves along one of the diameters. They are steel rods with one end having a slightly larger diameter than the other. Dowel pin assortments dowel pins are commonly used as pivots hinges shafts jigs and fixtures to locate or hold parts.

A taper pin is a fastener used in mechanical engineering. They are driven into a matching tapered hole such that removal can only be done with a hammer and punch.