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ISO 2338 Dowel Pins

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ISO 2338 Dowel Pin

ISO 2338 Dowel Pins, referred to as parallel pins, are headless solid cylindrical pins manufactured to a precise diameter. Used to align parts and function as hinge and wrist pins, roller bearings or as shafts, one end is chamfered (~15°) to facilitate insertion while the opposite end may be radiused or dimpled. For press-fit applications, dowel pins should be pressed into position—do not use impact force because pin splintering may occur. Tolerance Class m6, oversized, and undersized h8 are available in plain finish unhardened steel, which can rust, and stainless steel. The "limit deviations" (or "tolerance zone") varies by diameter; for example, the tolerance of an M4 m6 pin is +0.004 to +0.012 mm while the diameter of an M4 h8 pin is 0 to -0.018 mm. Length is measured from end to end including the chamfer like DIN 6325 and inch series dowel pins but unlike DIN 7, which is not measured from end to end. ISO 2338 Dowel Pins may be similar to DIN 7.

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Code Product Qty. Package Qty. Carton
PBR631-635 M6 x 45 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBS631-635 M6 x 45 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBT631-635 M6 x 45 mm Oversize Dowel Pin ISO 2338, Form A, m6 Tolerance, A1 Stainless Steel
PBR631-640 M6 x 50 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBU631-640 M6 x 50 mm Undersize Dowel Pin ISO 2338, Form B, h8 Tolerance, A1 Stainless Steel
PBS631-645 M6 x 55 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBR631-650 M6 x 60 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBS631-650 M6 x 60 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBS631-660 M6 x 70 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBS631-670 M6 x 80 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBS631-680 M6 x 90 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBS631-690 M6 x 100 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBS631-694 M6 x 120 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBR659-600 M8 x 10 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBS659-600 M8 x 10 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBR659-602 M8 x 12 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBS659-602 M8 x 12 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBT659-602 M8 x 12 mm Oversize Dowel Pin ISO 2338, Form A, m6 Tolerance, A1 Stainless Steel
PBR659-604 M8 x 14 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBS659-604 M8 x 14 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBS659-606 M8 x 16 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBT659-606 M8 x 16 mm Oversize Dowel Pin ISO 2338, Form A, m6 Tolerance, A1 Stainless Steel
PBU659-606 M8 x 16 mm Undersize Dowel Pin ISO 2338, Form B, h8 Tolerance, A1 Stainless Steel
PBR659-608 M8 x 18 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBR659-610 M8 x 20 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
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