Cap nut

//Cap nut
Cap nut 2018-05-17T02:53:20+00:00

Project Description

Cap nut

Cap nut also called acorn nut or doomed head cap nut,it is one kind of hex nut that prevents the internal thread be exposed outside,which may effects the threads fastening if get rusted, Cap nut is mainly used  at outdoor situations, and the doomed cap head is for decorative purpose.

Standards:DIN1587/ASME B18.2.2.
Material:Carbon and alloy steel.
Surface treatment:electroplated for steel.
Plain with passivation for stainless steel.
Tolerance: thread tolerance 6H.

Product Grade  A,D

Mechanical properties: class 6/8/10 as agreed.

DIN1587hex cap nut

DIN1587

Dimension in mm.

Thread D p d dw e h m min. mw s
max. min. min. min. max. min. min. max. min.
M3 0,5 3,45 3,00 4,57 6,01 4,50 4,02 2,15 1,72 5,50 5,32
M4 0,7 4,60 4,00 5,88 7,66 6,00 5,52 2,90 2,32 7,00 6,78
M5 0,8 5,75 5,00 6,88 8,79 6,80 6,22 4r40 3,52 8,00 7J8
M6 1 6,75 6,00 8,88 11,05 8,00 7,42 4,90 3,92 10,00 9J8
M8 1,25 8,75 8,00 11,63 14,38 9,50 8,92 6,44 5,15 13,00 12,73
M10 1,5 10,80 10,00 14,63 17,77 11,90 11r20 8,04 6,43 16,00 15,73
M12 1,75 13,00 12,00 16,63 20,03 14,90 14,20 10,37 8,30 18,00 17r73
(M14) 2 15,10 14,00 19,64 23,36 17,00 15,90 12,10 9,68 21,00 20,67
M16 2 17,30 16,00 22,49 26,75 19,10 17,80 14,10 11,28 24,00 23,67
M20 2,5 21,60 20,00 27,70 32,95 22,80 20,70 16,90 13,52 30,00 29,16
M24 3 25,90 24,00 33,25 39,55 27,10 25,00 20,20 16,16 36,00 35,00
M30 3,5 32,40 30,00 42,75 50,85 32,60 30,10 24,30 19,44 46,00 45,00
M36 4 38,90 36,00 51,11 60,79 38.9 36,40 29,40 23,52 55,00 53,80

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