Page 1051 - Tungaloy Catalog

Technical Reference
Standards on Tapers
7/24 taper arbor (Conformed to JIS)

R3
R2
R4

øD1
øD2 ød3 ød4 ød1 60°

7/24 taper

R1
R5 R

(unit : in)
g ød4
NT No. øD1 ød1 R R1 R 2 R3 ød3 R4
ISO ISO
30 31.75 17.4 70 50 M12 24 34 16.5 13 6
40 44.45 25.3 95 67 M16 30 43 24 17 8
45 57.15 32.4 110 86 M20 40 53 30 21 10
50 69.85 39.6 130 105 M24 45 60 38 26 11.5

Morse taper shank (Conformed to JIS)

dWith tang (unit : in)
MT. No øD a øD1 ød1 R1 R2 ød2 b c e R r
(approx) (approx) (max.) (max.) (max.) (max.) (max.) (max.)

0 09.045 3 09.2 6.1 56.5 59.5 6.0 3.9 6.5 10.5 4 1
1 12.065 3.5 12.2 9.0 62.0 65.5 8.7 5.2 8.5 13.5 5 1.2
2 17.780 5 18.0 14.0 75.0 80.0 13.5 6.3 10 16 6 1.6
3 23.825 5 24.1 19.1 94.0 99.0 18.5 7.9 13 20 7 2
4 31.267 6.5 31.6 25.2 117.5 124.0 24.5 11.9 16 24 8 2.5 Technical Reference
5 44.399 6.5 44.7 36.5 149.5 156.0 35.7 15.9 19 29 10 3
6 63.348 8 63.8 52.4 210.0 218.0 51.0 19 27 40 13 4
dWith thread (unit : in)
MT. No øD a øD1 ød R5 R6 ød4 ød5 K t
(approx) (approx) (max.) (max.) (max.) (max.) (max.) 14
0 09.045 3 9.2 6.4 50 53 6 - - 4
1 12.065 3.5 12.2 9.4 53.5 57 9 M 6 16 5
2 17.780 5 18.0 14.6 64 69 14 M 10 24 5
3 23.825 5 24.1 19.8 81 86 19 M 12 28 7
4 31.267 6.5 31.6 25.9 102.5 109 25 M 16 32 9
5 44.399 6.5 44.7 37.6 129.5 136 35.7 M 20 40 9
6 63.348 8 63.8 53.9 182 190 51 M 24 50 12

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