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[ 탭 하홀드릴경 ]

추천절삭조건표 메트릭나사(mm) ㎜ 유니파이나사(UNC) ㎜

> Technical Data 호칭 X 피치 1급 2급 3급 호칭 X 피치 3B 2B 1B

M2X0.4 1.65 1.65 NO. 1-64 UNC 1.57 1.75

M2.2X0.45 1.81 1.83 NO. 2-56 UNC 1.86 1.86

M2.5X0.45 2.11 2.13 NO. 3-48 UNC 2.14 2.14

M3X0.5 2.57 2.59 2.62 NO. 4-40 UNC 2.36 2.36

M3.5X0.5 2.95 3.01 3.05 NO. 5-40 UNC 2.69 2.69

M4X0.7 3.36 3.39 3.43 NO. 6-32 UNC 2.86 2.86

M4.5X0.75 3.81 3.85 3.89 NO. 8-32 UNC 3.52 3.52

M5X0.8 4.25 4.31 4.35 NO. 10-24 UNC 3.91 3.91

M6X1.0 5.08 5.13 5.19 NO. 12-24 UNC 4.51 4.57

M7X1.0 6.08 6.13 6.19 1/4-20 UNC 5.25 5.25 5.25

M8X1.25 6.85 6.85 6.92 5/16-18 UNC 6.64 6.72 6.72

M9X1.25 7.85 7.85 7.92 3/8-16 UNC 8.06 8.15 8.15

M10X1.5 8.45 8.62 8.70 7/16-14 UNC 9.40 9.50 9.50

M11X1.5 9.54 9.62 9.70 1/2-13 UNC 10.8 11.0 11.0

M12X1.75 10.3 10.4 10.5 9/16-12 UNC 12.3 12.3 12.3

M14X2.0 12.1 12.2 12.3 5/8-24 UNC 13.6 13.8 13.8

M16X2.0 14.1 14.2 14.3 3/4-11 UNC 16.6 16.8 16.8

M18X2.5 15.6 15.7 15.8 7/8-10 UNC 19.5 19.6 19.6

M20X2.5 17.6 17.7 17.8 1-9 UNC 22.3 22.5 22.5

M22X2.5 19.6 19.7 19.8 1 1/8-8 UNC 25.0 25.2 25.2

M24X3.0 21.1 21.2 21.2 1 1/4-7 UNC 28.2 28.4 28.4

M27X3.0 24.1 24.2 24.2 1 3/8-7 UNC 30.8 31.0 31.0

M30X3.5 29.6 26.6 26.8 1 1/2-6 UNC 34.0 34.2 34.2

M33X3.5 29.6 29.6 29.8 1 3/4-6 UNC 39.5 39.8 39.8

M36X4.0 32.1 32.1 32.3 2-5 UNC 45.3 45.3 45.3

M39X4.0 35.1 35.1 35.3 2 1/4-4 1/2 UNC 51.7 51.7 51.7

M42X4.5 37.6 37.6 37.9 2 1/2-4 1/2 UNC 57.3 57.3 57.3

M45X4.5 40.6 40.6 40.9 2 3/4-4 UNC 63.7 63.7 63.7

M48X5.0 43.1 43.1 43.4 3-4 UNC 70.0 70.0 70.0

M52X5.0 47.1 47.1 47.4 3 1/4-4UNC 76.4 76.4 76.4

M56X5.5 50.6 50.6 50.9 3 1/2-4UNC 82.7 82.7 82.7

M60X5.5 54.6 54.6 54.9

M64X6.0 57.8 57.2 58.5 3 3/4-4UNC 89.1 89.1 89.1
M68X6.0 61.8 61.2 62.5
4-4 UNC 95.4 95.4 95.1

관용나사 ㎜ 미식관용나사 ㎜

호칭 X 산 PF 리머사용시 리머불사용시 PF NPT NPTF

1/6-28 6.79 6.11 6.23 6.49 호칭 X 산 리머 리머 NPS 리머 리머 NPSF

1/8-28 8.80 8.11 8.24 8.50 사용시 불사용시 사용시 불사용시

1/4-19 11.8 10.8 10.9 11.3 1/6-27 6.10 6.25 6.35 5.94 6.15 6.25
1/8-27 8.33 8.43 8.74 8.33 8.43 8.25
1/8-19 15.3 14.2 14.2 14.9

1/2-14 19.1 17.7 18.0 18.5 1/4-18 10.72 11.11 11.13 10.72 11.11 11.11
3/8-18 14.29 14.29 14.68 14.29 14.29 14.68
5/8-14 21.1 1/2-14 17.46 17.86 18.26 17.46 17.86 17.86

3/4-14 24.6 23.1 23.3 24.0

7/8-14 28.3 3/4-14 22.62 22.02 22.42 22.62 23.02 23.42
1-11 1/2 28.58 28.97 29.36 38.58 28.97 29.37
1-11 30.9 29.1 29.4 31.1 1 1/4-11 1/2 37.31 37.70 38.10 37.31 37.70
1 1/2-11 1/2 43.66 44.05 44.45 43.26 43.66
1 1/8-1 35.5 2-11 1/2 55.56 55.96 56.36 55.17 55.56
2 1/2-8 65.88 66.68 67.45 65.48 66.28
1 1/4-1 39.5 37.5 38.0 38.8

1 1/2-1 45.4 43.4 43.8 44.5

1 3/4-1 51.4

2-11 57.2 54.9 55.4 56.5

2 1/4-1 63.3 72.0

2 1/2-1 72.8 70.2 70.7 84.7

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