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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
PBR560-615 M2 x 25 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBS560-615 M2 x 25 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBU560-615 M2 x 25 mm Undersize Dowel Pin ISO 2338, Form B, h8 Tolerance, A1 Stainless Steel
PBS560-620 M2 x 30 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBS560-625 M2 x 35 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBS574-540 M2.5 x 4 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBT574-540 M2.5 x 4 mm Oversize Dowel Pin ISO 2338, Form A, m6 Tolerance, A1 Stainless Steel
PBR574-550 M2.5 x 5 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBS574-550 M2.5 x 5 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBT574-550 M2.5 x 5 mm Oversize Dowel Pin ISO 2338, Form A, m6 Tolerance, A1 Stainless Steel
PBR574-560 M2.5 x 6 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBS574-560 M2.5 x 6 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBT574-560 M2.5 x 6 mm Oversize Dowel Pin ISO 2338, Form A, m6 Tolerance, A1 Stainless Steel
PBU574-560 M2.5 x 6 mm Undersize Dowel Pin ISO 2338, Form B, h8 Tolerance, A1 Stainless Steel
PBS574-580 M2.5 x 8 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBT574-580 M2.5 x 8 mm Oversize Dowel Pin ISO 2338, Form A, m6 Tolerance, A1 Stainless Steel
PBU574-580 M2.5 x 8 mm Undersize Dowel Pin ISO 2338, Form B, h8 Tolerance, A1 Stainless Steel
PBR574-600 M2.5 x 10 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBS574-600 M2.5 x 10 mm Undersize Unhardened Dowel Pin ISO 2338, h8 Tolerance, Plain Finish (no rust protection)
PBU574-600 M2.5 x 10 mm Undersize Dowel Pin ISO 2338, Form B, h8 Tolerance, A1 Stainless Steel
PBR574-602 M2.5 x 12 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBU574-602 M2.5 x 12 mm Undersize Dowel Pin ISO 2338, Form B, h8 Tolerance, A1 Stainless Steel
PBR574-604 M2.5 x 14 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
PBU574-604 M2.5 x 14 mm Undersize Dowel Pin ISO 2338, Form B, h8 Tolerance, A1 Stainless Steel
PBR574-606 M2.5 x 16 mm Oversize Unhardened Dowel Pin ISO 2338, m6 Tolerance, Plain Finish (no rust protection)
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