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Parallel pins

  • Brand:

    T,TGR,XDM,OEM as requirement

  • Brief:

    ISO8734,DIN7978,available for ISO ROHS,SGS

  • Surface:

    Polishing; Anodize; Nickel, Zinc, Black,Tin, chrome,Silver plating ,Heat treatment: Point hardening,quenching hardening

  • Material:

    Stainless steel 304,316,316L,410,Duplex2205,2507,Carbon steel 4.8/8.8/10.9/12.9grade

  • Size:

    φ0.6-φ50

  • MOQ:

    Feel free to contact us for further inquiry.
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product details

Parallel pin can reduce the stress created on welded tube joints when compared to tapered rolling. ISO Metric Dowel Pins per DIN EN ISO8734 Dowel Pins per. DIN EN ISO 8734. Parallel pins, of hardened steel and martensitico stainless steel Table gives the characteristics of parallel pins (dowel pins) of steel, through hardened or case hardened and martensitic stainless steel with nominal diameters, d, from1 mm to 20 mm inclusive

Screw Thread d Φ0.6 Φ0.8 Φ1 Φ1.2 Φ1.5 Φ1.6 Φ2 Φ2.5 Φ3 Φ4 Φ5
d Type A (m6) Max. 0.608 0.808 1.008 1.208 1.508 1.608 2.008 2.508 3.008 4.012 5.012
Min. 0.602 0.802 1.002 1.202 1.502 1.602 2.002 2.502 3.002 4.004 5.004
Type B (h8) Max. 0.6 0.8 1 1.2 1.5 1.6 2 2.5 3 4 5
Min. 0.586 0.786 0.986 1.186 1.486 1.586 1.986 2.486 2.986 3.982 4.982
Type C (h11) Max. 0.6 0.8 1 1.2 1.5 1.6 2 2.5 3 4 5
Min. 0.54 0.74 0.94 1.14 1.44 1.54 1.94 2.44 2.94 3.925 4.925
α ≈ 0.08 0.1 0.12 0.16 0.2 0.2 0.25 0.3 0.4 0.5 0.63
c ≈ 0.12 0.16 0.2 0.25 0.3 0.3 0.35 0.4 0.5 0.63 0.8
Screw Thread d Φ6 Φ8 Φ10 Φ12 Φ13 Φ16 Φ20 Φ25 Φ30 Φ40 Φ50
d Type A (m6) Max. 6.012 8.015 10.015 12.018 13.018 16.018 20.021 25.021 30.021 30.025 50.025
Min. 6.004 8.006 10.006 12.007 13.007 16.007 20.008 25.008 30.008 40.009 50.009
Type B (h8) Max. 6 8 10 12 13 16 20 25 30 40 50
Min. 5.982 7.978 9.978 11.973 12.973 15.973 19.967 24.967 29.967 39.961 49.961
Type C (h11) Max. 6 8 10 12 13 16 20 25 30 40 50
Min. 5.925 7.91 9.91 11.89 12.89 15.89 19.87 24.87 29.87 39.84 49.84
α ≈ 0.8 1 1.2 1.6 1.6 2 2.5 3 4 5 6.3
c ≈ 1.2 1.6 2 2.5 2.5 3 3.5 4 5 6.3 8