Knurled Pins | McMaster-Carr

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	Shaft Type Shaft Type


Grooved	Knurled

Barbed

	System of Measurement System of Measurement

Inch

Metric

	Diameter Diameter

	Length Length

	Material Material

	End Shape End Shape


Chamfered	Rounded

Flat

	Head Type Head Type


Plain	Flat

Rounded

	Pin Type Pin Type

	Dowel
	Captive

	End Type End Type

	Plain

	Head Diameter Head Diameter

	Tolerance Rating Tolerance Rating

Standard

Oversized

	Breaking Strength Breaking Strength

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Finish Finish

Zinc Plated

	Minimum Hardness Minimum Hardness

Rockwell B68

Not Rated

	Groove Length Groove Length

	Head Height Head Height

	Groove Style Groove Style

Tapered

Parallel

Reverse Tapered

	Knurl Length Knurl Length

	Specifications Met Specifications Met

	Width Width

5/8"

3/4"

	Passivation Passivation

Passivated

	Trade Number Trade Number

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329 Products

Dowel Pins

Round Head Full-Groove Dowel Pins

Grooves hold these pins in place, and a round head gives them a finished appearance.

Full-Groove Dowel Pins

Grooves run the full length of these pins for a firm hold that won't spin. Use them in place of standard dowel, spring, and taper pins to fasten parts. Also known as type A pins.

Half-Groove Dowel Pins

These pins make good hinges or pivots. The grooved half locks pins in position, while the smooth half can act as a pivot. Also known as type H pins.

Half-Groove Dowel Pins with Notch

These pins are commonly used as anchors for tension springs. The grooved half locks pins in position, and spring ends fit in to the notch. Also known as type G pins.

Center-Groove Dowel Pins

Center-groove pins are often used in place of clevis pins or to create T-handles. The grooved center locks pins in position, while the smooth ends act as a pivot. Also known as type E pins.

Quarter-Groove Dowel Pins

Quarter-groove pins are well suited for hinges or pivots. The grooved end locks pins in position, while the smooth portion can act as a pivot. Also known as type C pins.

Half-Knurled Dowel Pins

Use these as pivot or hinge pins. The knurled half locks pins in position, while the smooth half acts as a pivot.

Center-Knurled Dowel Pins

Center-knurled pins are often used in place of clevis pins or to create T-handles. The knurled center locks pins in position, while the smooth ends act as a pivot.

Knurled Dowel Pins

The full length of these pins is knurled for a tight grip that won't spin.

Wood Dowel Pins

Join two pieces of wood with these dowel pins. When glued, they expand for a tight fit.

Wood Biscuits

Made of compressed wood, these biscuits fit into slots cut into wood. When glued, they expand for a tight fit.

Round Head Barbed Dowel Pins

Barbs bite into plastics and soft metals such as aluminum for a strong hold, and a round head gives a finished appearance.

Two-Way Barbed Dowel Pins

Use these pins to fasten components made of soft materials such as plastic or aluminum. Opposing barbs bite into each piece, pulling them together for a tight, secure fit.

Captive Fastening Pins for Soft Materials

The grooves in these pins grip plastics and other soft materials. Press them in to hold panels together. Also known as PEM® TKA and TK4 TackSert pins.