home Products Double ended studs

Double ended studs

  • Brand:

    T,TGR,XDM,OEM as requirement

  • Brief:

    Double thread end bolt, Partial Thread Studs

  • Surface:

    Plain color, galvanized, black oxied coating, HDG, Dacromet finish etc.

  • Material:

    stainless steel304,316,316L,317,317L,carbon steel,B7,etc

  • Size:

    M2-M48 ,1/4-4,Custom-made

  • MOQ:

    According to size
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product details

1. Standard: DIN6797, DIN 835, NF E 25-135 , DIN938, DIN 949-1, DIN 797,ANSI/ASME B 18.31.1M, ANSI/ASME B 18.31.2
2. Double end studs are used for flange bolting with a nut at both ends, typically they are used to join threaded components that don't require a full thread or items that have different thread sizes.
3. These kinds of products are commonly used in construction applications, plumbing fittings, metal fabrication, and machinery repairs.

Screw Thread d M5 M6 M8 M10 M12 (M14) M16 (M18) M20
P Pitch 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5
b1 Nominal Size 5 6 8 10 12 14 16 18 20
min 4.4 5.4 7.25 9.25 11.1 13.1 15.1 17.1 18.95
max 5.6 6.6 8.75 10.75 12.9 14.9 16.9 18.9 21.05
ds max 5 6 8 10 12 14 16 18 20
min 4.7 5.7 7.64 9.64 11.57 13.57 15.57 17.57 19.48
Screw Thread d (M22) (M24) (M27) (M30) (M33) M36 (M39) M42 M48
P Pitch 2.5 3 3 3.5 3.5 4 4 4.5 5
b1 Nominal Size 22 24 27 30 33 36 39 42 48
min 20.95 22.95 25.95 28.95 31.75 34.75 37.75 40.75 46.75
max 23.05 25.05 28.05 31.05 34.25 37.25 40.25 43.25 49.25
ds max 22 24 27 30 33 36 39 42 48
min 21.48 23.48 26.48 29.48 32.38 35.38 38.38 41.38 47.38
Thread Size d 1/4 5/16 3/8 7/16 1/2 9/16 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2
d 0.25 0.3125 0.375 0.4375 0.5 0.5625 0.625 0.75 0.875 1 1.125 1.25 1.375
bm Nominal Size 0.375 0.469 0.563 0.656 0.75 0.844 0.938 1.125 1.313 1.5 1.688 1.875 2.063
min 0.35 0.44 0.532 0.62 0.708 0.802 0.892 1.075 1.258 1.438 1.625 1.813 2
max 0.4 0.498 0.594 0.692 0.792 0.896 0.983 1.175 1.368 1.562 1.75 1.938 2.125
U max UNC&NC-5 0.1 0.111 0.125 0.143 0.154 0.167 0.182 0.2 0.222 0.25 0.286 0.286 0.333
UNF 0.071 0.083 0.083 0.1 0.1 0.111 0.111 0.125 0.143 0.167 0.167 0.167 0.167
8UN - - - - - - - - - - 0.25 0.25 0.25
b min L≤10 0.75 0.875 1 1.125 1.25 1.375 1.5 1.75 2 2.25 2.5 2.75 3
10＜L≤16 1 1.125 1.25 1.375 1.5 1.625 1.75 2 2.25 2.5 2.75 3 3.25
L＞16 1.5 1.625 1.75 1.875 2 2.125 2.25 2.5 2.75 3 3.25 3.5 3.75
Thread Size d 1-5/8 1-3/4 1-7/8 2 2-1/4 2-1/2 2-3/4 3 3-1/4 3-1/2 3-3/4 4
d 1.5 1.625 1.75 1.875 2 2.25 2.5 2.75 3 3.25 3.5 3.75
bm Nominal Size 2.25 2.438 2.625 2.813 3 3.375 3.75 4.125 4.5 4.875 5.25 5.625
min 2.188 2.375 2.563 2.75 2.925 3.3 3.675 4.05 4.425 4.775 5.15 5.525
max 2.313 2.5 2.688 2.875 3.075 3.45 3.825 4.2 4.575 4.975 5.35 5.725
U max UNC&NC-5 0.333 - 0.4 - 0.444 0.444 0.5 0.5 0.5 0.5 0.5 0.5
UNF 0.167 - - - - - - - - - - -
8UN 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
b min L≤10 3.25 3.5 3.75 4 4.25 4.75 5.25 5.75 - - - -
10＜L≤16 3.5 3.75 4 4.25 4.5 5 5.5 6 6.5 7 7.5 8
L＞16 4 4.25 4.5 4.75 5 5.5 6 6.5 7 7.5 8 8.5