Tolerance for Dowel Holes - Mechanical engineering general discussion - Eng-Tips
METRIC Hardened and Ground Dowel Pins FOUNDED ® BBRRIIGGHHTTOONN BEST ISO - Type ‘A’ DIN EN - 19Tolerance “m6” Hardness HRC Steel: High Grade Alloy Cr6 THROUGH HARDENED HIGH QUALITY DOWELS A APPLICATION DATAB DE F r Normal Size Max. Min. Max. Min. Min. Min. kN Pounds Max. Min. Pin Diameter. Tolerance Nominal Diameter 1 2 3 4 5 6 CHAMFER BOTH ENDS NOM. DIA. L Chamfer or rounded ends at SDP option. l § § l 10 10 10 10 10 10 — — — — — — — — — — — — — — DIN /ISO MATERIAL: Hardened Steel, HRC SPECIFICATIONS: Nominal Diameter Tolerance: 1 to 3 mm +/+ 4 to 6 mm +/+ Priced Per Pieces PRECISION DOWEL . Tolerance on length is ± inch. c These press hole sizes have been commonly used for press fitting Standard Series machine dowel pins into materials such as mild steels and cast iron. In other materials, such as aluminum or zinc die castings, hole size limits are usually decreased by inch to increase the interfearance of the press fit.

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