Bảng thông số đường kính lỗ khoan trước Taro : ren hệ met , Hệ inch (Unified)

Azuma vietnam

đường kính lỗ khoan trước taro

Bảng thông số đường kính lỗ khoan trước Taro : ren hệ met

Ghi chú :

  • ( ) chỉ số trong , là chỉ số 5H(cấp 2) với ren thường , và là chỉ số 4H-5H(cấp 1 ) ren mịn .
  • chữ in đậm là chỉ số ren thường
  • ĐK lỗ là chỉ số ren cấp 2 (JIS)

 

呼び
size		 内径
ĐK lỗ 		 ドリル径
（ĐK khoan)		 呼び
size		 内径
ĐK lỗ 		 ドリル径
（ĐK khoan)
Max Min Max Min
M1×0.25 (0.785) (0.729) 0.75 M18×2.5 15.744 15.294 15.5
M1×0.2 (0.821) (0.783) 0.8 M18×2 16.21 15.835 16
M1.1×0.25 (0.885) (0.829) 0.85 M18×1.5 16.676 16.376 16.5
M1.1×0.2 (0.921) (0.883) 0.9 M18×1 17.153 16.917 17
M1.2×0.25 (0.985) (0.929) 0.95 M20×2.5 17.744 17.294 17.5
M1.2×0.2 (1.021) (0.983) 1 M20×2 18.21 17.835 18
M1.4×0.3 (1.142) (1.075) 1.1 M20×1.5 18.676 18.376 18.5
M1.4×0.2 (1.221) (1.183) 1.2 M20×1 19.153 18.917 19
M1.6×0.35 (1.321) (1.221) 1.25 M22×2.5 19.744 19.294 19.5
M1.6×0.2 (1.421) (1.383) 1.4 M22×2 20.21 19.835 20
M1.7×0.35 1.421 1.321 1.35 M22×1.5 20.676 20.376 20.5
M1.7×0.2 1.521 1.483 1.45 M22×1 21.153 20.917 21
M1.8×0.35 1.521 1.421 1.45 M24×3 21.252 20.752 21
M1.8×0.2 (1.621) (1.583) 1.6 M24×2 22.21 21.835 22
M2×0.4 1.679 1.567 1.6 M24×1.5 22.676 22.376 22.5
M2×0.25 (1.785) (1.729) 1.75 M24×1 23.153 22.917 23
M2.2×0.45 1.838 1.713 1.75 M25×2 23.21 22.835 23
M2.2×0.25 (1.985) (1.929) 1.95 M25×1.5 23.676 23.376 23.5
M2.3×0.4 1.979 1.867 1.9 M25×1 24.153 23.917 24
M2.3×0.25 2.085 2.029 2.05 M26×1.5 24.676 24.376 24.5
M2.5×0.45 2.138 2.013 2.1 M27×3 24.252 23.752 24
M2.5×0.35 2.221 2.121 2.2 M27×2 25.21 24.835 25
M2.6×0.45 2.238 2.113 2.2 M27×1.5 25.676 25.376 25.5
M2.6×0.35 2.321 2.221 2.2 M27×1 26.153 25.917 26
M3×0.5 2.599 2.459 2.5 M28×2 26.21 25.835 26
M3×0.35 2.721 2.621 2.7 M28×1.5 26.676 26.376 26.5
M3.5×0.6 3.01 2.85 2.9 M28×1 27.153 26.917 27
M3.5×0.35 3.221 3.121 3.2 M30×3.5 26.771 26.211 26.5
M4×0.7 3.422 3.242 3.3 M30×3 27.252 26.752 27
M4×0.5 3.599 3.459 3.5 M30×2 28.21 27.835 28
M4.5×0.75 3.878 3.688 3.8 M30×1.5 28.676 28.376 28.5
M4.5×0.5 4.099 3.959 4 M30×1 29.153 28.917 29
M5×0.8 4.334 4.134 4.2 M32×2 30.21 29.835 30
M5×0.5 4.599 4.459 4.5 M32×1.5 30.676 30.376 30.5
M5.5×0.5 5.099 4.959 5 M33×3.5 29.771 29.211 29.5
M6×1 5.153 4.917 5 M33×3 30.252 29.752 30
M6×0.75 5.378 5.188 5.3 M33×2 31.21 30.835 31
M6×0.5 5.599 5.459 5.5 M33×1.5 31.676 31.376 31.5
M7×1 6.153 5.917 6 M35×1.5 33.676 33.376 33.5
M7×0.75 6.378 6.188 6.3 M36×4 32.27 31.67 32
M7×0.5 6.599 6.459 6.5 M36×3 33.252 32.752 33
M8×1.25 6.912 6.647 6.8 M36×2 34.21 33.835 34
M8×1 7.153 6.917 7 M36×1.5 34.676 34.376 34.5
M8×0.75 7.378 7.188 7.3 M38×1.5 36.676 36.376 36.5
M8×0.5 7.599 7.459 7.5 M39×4 35.27 34.67 35
M9×1.25 7.912 7.647 7.8 M39×3 36.252 35.752 36
M9×1 8.153 7.917 8 M39×2 37.21 36.835 37
M9×0.75 8.378 8.188 8.3 M39×1.5 37.676 37.376 37.5
M10×1.5 8.676 8.376 8.5 M40×3 37.252 36.752 37
M10×1.25 8.912 8.647 8.8 M40×2 38.21 37.835 38
M10×1 9.153 8.917 9 M40×1.5 38.676 38.376 38.5
M10×0.75 9.378 9.188 9.3 M42×4.5 37.799 37.129 37.5
M10×0.5 9.599 9.459 9.5 M42×4 38.27 37.67 38
M11×1.5 9.676 9.376 9.5 M42×3 39.252 38.752 39
M11×1 10.153 9.917 10 M42×2 40.21 39.835 40
M11×0.75 10.378 10.188 10.3 M42×1.5 40.676 40.376 40.5
M12×1.75 10.441 10.106 10.3 M45×4.5 40.799 40.129 40.5
M12×1.5 10.676 10.376 10.5 M45×4 41.27 40.67 41
M12×1.25 10.912 10.647 10.8 M45×3 42.252 41.752 42
M12×1 11.153 10.917 11 M45×2 43.21 42.835 43
M12×0.5 11.599 11.459 11.5 M45×1.5 43.676 43.376 43.5
M14×2 12.21 11.835 12 M48×5 43.297 42.587 43
M14×1.5 12.676 12.376 12.5 M48×4 44.27 43.67 44
M14×1 13.153 12.917 13 M48×3 45.252 44.752 45
M15×1.5 13.676 13.376 13.5 M48×2 46.21 45.835 46
M15×1 14.153 13.917 14 M48×1.5 46.676 46.376 46.5
M16×2 14.21 13.835 14 M50×3 47.252 46.752 47
M16×1.5 14.676 14.376 14.5 M50×2 48.21 47.835 48
M16×1 15.153 14.917 15 M50×1.5 48.676 48.376 48.5
M17×1.5 15.676 15.376 15.5
M17×1 16.153 15.917 16

 

Bảng thông số đường kính lỗ khoan trước Taro : Hệ inch (Unified)

呼び
size		 内径
ĐK lỗ 		 ドリル径
（ĐK khoan)
Max. Min.
No. 0 – 80UNF 1.305 1.182 1.25
No. 1 – 64UNC 1.582 1.425 1.55
No. 1 – 72UNF 1.612 1.474 1.55
No. 2 – 56UNC 1.871 1.695 1.8
No. 2 – 64UNF 1.912 1.756 1.85
No. 3 – 48UNC 2.146 1.941 2.1
No. 3 – 56UNF 2.197 2.025 2.1
No. 4 – 40UNC 2.385 2.157 2.3
No. 4 – 48UNF 2.458 2.271 2.4
No. 5 – 40UNC 2.697 2.487 2.6
No. 5 – 44UNF 2.74 2.551 2.7
No. 6 – 32UNC 2.895 2.642 2.8
No. 6 – 40UNF 3.022 2.82 2.9
No. 8 – 32UNC 3.53 3.302 3.4
No. 8 – 36UNF 3.606 3.404 3.5
No.10 – 24UNC 3.962 3.683 3.9
No.10 – 32UNF 4.165 3.963 4.1
No.12 – 24UNC 4.597 4.344 4.5
No.12 – 28UNF 4.724 4.496 4.6
No.12 – 32UNEF 4.826 4.623 4.7
1/4 – 20UNC 5.257 4.979 5.1
1/4 – 28UNF 5.588 5.36 5.5
1/4 – 32UNEF 5.689 5.487 5.6
5/16 – 18UNC 6.731 6.401 6.6
5/16 – 24UNF 7.035 6.782 6.9
5/16 – 32UNEF 7.264 7.087 7.1
3/8 – 16UNC 8.153 7.798 8
3/8 – 24UNF 8.636 8.382 8.5
3/8 – 32UNEF 8.864 8.662 8.7
7/16 – 14UNC 9.55 9.144 9.4
7/16 – 20UNF 10.033 9.729 9.9
7/16 – 28UNEF 10.337 10.135 10.2
1/2 – 13UNC 11.023 10.592 10.9
1/2 – 20UNF 11.607 11.329 11.5
1/2 – 28UNEF 11.938 11.71 11.8
9/16 – 12UNC 12.446 11.989 12.2
9/16 – 18UNF 13.081 12.751 12.9
9/16 – 24UNEF 13.385 13.132 13.2
5/8 – 11UNC 13.868 13.386 13.6
5/8 – 18UNF 14.681 14.351 14.5
5/8 – 24UNEF 14.986 14.732 14.8
3/4 – 10UNC 16.84 16.307 16.6
3/4 – 16UNF 17.678 17.323 17.5
3/4 – 20UNEF 17.957 17.679 17.8
7/8 – 9UNC 19.761 19.177 19.6
7/8 – 14UNF 20.675 20.27 20.5
7/8 – 20UNEF 21.132 20.854 21
1 – 8UNC 22.606 21.971 22.3
1 – 12UNF 23.571 23.114 23.3
1 – 14UNS 23.825 23.445 23.6
1 – 20UNEF 24.307 24.029 24.1
1 1/8 – 7UNC 25.349 24.638 25
1 1/8 – 12UNF 26.746 26.289 26.5
1 1/8 – 18UNEF 27.381 27.051 27.2
1 1/8 – 8UN 25.781 25.146 25.5
1 1/4 – 7UNC 28.524 27.813 28.2
1 1/4 – 12UNF 29.921 29.464 29.6
1 1/4 – 18UNEF 30.556 30.226 30.3
1 1/4 – 8UN 28.956 28.321 28.5
1 3/8 – 6UNC 31.115 30.353 30.8
1 3/8 – 12UNF 33.096 32.639 32.8
1 3/8 – 18UNEF 33.731 33.401 33.5
1 3/8 – 8UN 32.131 31.496 31.8
1 1/2 – 6UNC 34.29 33.528 34
1 1/2 – 12UNF 36.271 35.814 36
1 1/2 – 18UNEF 36.906 36.576 36.7
1 1/2 – 8UN 35.306 34.671 35
1 5/8 – 18UNEF 40.081 39.751 39.8
1 5/8 – 8UN 38.481 37.846 38.1
1 5/8 – 12UN 39.446 38.989 39.1
1 3/4 – 5UNC 39.827 38.964 39.5
1 3/4 – 8UN 41.656 41.021 41.3
1 3/4 – 12UN 42.621 42.164 42.3
2 – 4 1/2UNC 45.593 44.679 45.2
2 – 8UN 48.006 47.371 47.8
2 – 12UN 48.971 48.514 48.6

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