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    3 Products

    Partially Grooved Dowel Pins

    The grooved section secures these pins while the smooth portion is free to act as a pivot or hinge. The grooves pinch shut when installed, creating tension to lock in place. They fit tighter than standard dowel pins and resist pulling from movement and vibration, even in imperfect holes.
    For the best fit, drill your hole slightly larger than the nominal diameter shown.
    Center Grooved
    Image of ProductInUse. Front orientation. Dowel Pins. Plain Head, Partially Grooved, Standard Tolerance, Center Grooved.
    Image of Product. Front orientation. Dowel Pins. Plain Head, Partially Grooved, Standard Tolerance, Center Grooved, Parallel Groove.

    Parallel Groove

    These pins lock in the middle, leaving two smooth ends free. They're often used to create a T-handle, such as on a valve stem to open and close it by hand. Also known as type E pins.
    Zinc-Plated Carbon Steel—These pins withstand occasional exposure to moisture. However, since friction from moving parts can wear away the finish, they're not ideal for wet environments. While not nearly as corrosion resistant as stainless steel, they are stronger and won’t deform under stress.
    Parallel Groove—Fit tighter than pins with tapered grooves to stay in place under severe vibration. However, they require more force to insert.
    Nominal,
    mm
    Max., mm
    Lg.,
    mm
    Dia.
    Dia.
    Tolerance
    Dia.
    Dia.
    Tolerance
    Groove
    Type
    Double Shear Breaking
    Strength, lbf
    Min.
    Hardness
    Groove
    Lg., mm
    Specs.
    Met
    Certificate Type
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Carbon Steel
     
    5 mm Diameter
    225-0.075 to 05.2-0.05 to 0.05Parallel3,950Rockwell B687.33ISO 8742—105430N124000000
    265-0.075 to 05.2-0.05 to 0.05Parallel3,950Rockwell B688.66ISO 8742Material Certificate
    		105430N12500000
     

    Ejector Pins

    Image of Product. Front orientation. Ejector Pins. Ejector Pins.
    Also known as knockout and forged pins, use these pins to push parts out of molds. Pins are precision-ground to tight tolerances and hardened for strength and wear resistance. Machining is not recommended. Metric pins meet DIN 1530 specifications.
    M2 High-Speed Tool Steel
    M2 high-speed tool steel pins withstand high temperatures.
    Head,
    mm
    Dia.,
    mm
    Dia. Tolerance,
    mm
    Dia.
    Ht.
    Min.
    Hardness
    Each
     
    100 mm Long
    5.2000-0.012 to -0.004103Rockwell C6090224A161000000
     
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