Общий каталог Yamawa 2022 - 2023 - страница 1188

15. Bored hole size before tapping ( for thread cutting )


■ for Metric Threads
Description of products


Unit：mm
Minor diameter of internal threads (D1) Bored hole size Minor diameter of internal threads (D1) Bored hole size
Size Size
Max. Min. ( ref.) Max. Min. ( ref.)
M18×1.5 16.676 16.376 16.60 M30×3 27.252 26.752 27.1
※2 M18×1.25 16.912 16.647 16.85 M30×2 28.210 27.835 28.1
M18×1 17.153 16.917 17.09 M30×1.5 28.676 28.376 28.60
※2 M18×0.75 17.378 17.188 17.33 M30×1 29.153 28.917 29.09
※1 M18×0.5 17.599 17.459 17.56 ※2 M32×3.5 28.771 28.211 28.6
※ M19×2.5
2
16.744 16.294 16.6 ※2 M32×3 29.252 28.752 29.1
※2 M19×2 17.210 16.835 17.1 M32×2 30.210 29.835 30.1
※2 M19×1.5 17.676 17.376 17.60 M32×1.5 30.676 30.376 30.60
※2 M19×1 18.153 17.917 18.09 ※1 M32×1 31.153 30.917 31.09
※2 M19×0.75 18.378 18.188 18.33 M33×3.5 29.771 29.211 29.6
※2 M19×0.5 18.599 18.459 18.56 M33×3 30.252 29.752 30.1
M20×2.5 17.744 17.294 17.6 M33×2 31.210 30.835 31.1
M20×2 18.210 17.835 18.1 M33×1.5 31.676 31.376 31.60
M20×1.5 18.676 18.376 18.60 ※2 M33×1 32.153 31.917 32.09
※2 M20×1.25 18.912 18.647 18.85 ※2 M34×3 31.252 30.752 31.1
M20×1 19.153 18.917 19.09 ※1 M34×2 32.210 31.835 32.1
※2 M20×0.75 19.378 19.188 19.33 ※1 M34×1.5 32.676 32.376 32.60
※1 M20×0.5 19.599 19.459 19.56 ※1 M34×1 33.153 32.917 33.09
※ M21×2
2
19.210 18.835 19.1 ※2 M35×3 32.252 31.752 32.1
※2 M21×1.5 19.676 19.376 19.60 ※2 M35×2 33.210 32.835 33.1
※2 M21×1 20.153 19.917 20.09 M35×1.5 33.676 33.376 33.60
M22×2.5 19.744 19.294 19.6 ※2 M35×1 34.153 33.917 34.09
M22×2 20.210 19.835 20.1 M36×4 32.270 31.670 32.1
M22×1.5 20.676 20.376 20.60 M36×3 33.252 32.752 33.1
※2 M22×1.25 20.912 20.647 20.85 M36×2 34.210 33.835 34.1
M22×1 21.153 20.917 21.09 M36×1.5 34.676 34.376 34.60
※2 M22×0.75 21.378 21.188 21.33 ※1 M36×1 35.153 34.917 35.09
※1 M22×0.5 21.599 21.459 21.56 ※2 M37×1.5 35.676 35.376 35.60
※2 M23×2 21.210 20.835 21.1 ※2 M38×3 35.252 34.752 35.1
※2 M23×1.5 21.676 21.376 21.60 ※1 M38×2 36.210 35.835 36.1
※2 M23×1 22.153 21.917 22.09 M38×1.5 36.676 36.376 36.60
M24×3 21.252 20.752 21.1 ※1 M38×1 37.153 36.917 37.09
M24×2 22.210 21.835 22.1 M39×4 35.270 34.670 35.1
M24×1.5 22.676 22.376 22.60 M39×3 36.252 35.752 36.1
※2 M24×1.25 22.912 22.647 22.85 M39×2 37.210 36.835 37.1
M24×1 23.153 22.917 23.09 M39×1.5 37.676 37.376 37.60
※2 M24×0.75 23.378 23.188 23.33 ※2 M39×1 38.153 37.917 38.09
※1 M24×0.5 23.599 23.459 23.56 ※2 M40×4 36.270 35.670 36.1
※2 M25×3 22.252 21.752 22.1 M40×3 37.252 36.752 37.1
M25×2 23.210 22.835 23.1 M40×2 38.210 37.835 38.1
M25×1.5 23.676 23.376 23.60 M40×1.5 38.676 38.376 38.60
M25×1 24.153 23.917 24.09 ※1 M40×1 39.153 38.917 39.09
※ M26×3
2
23.252 22.752 23.1 M42×4.5 37.799 37.129 37.6
※1 M26×2 24.210 23.835 24.1 M42×4 38.270 37.670 38.1
M26×1.5 24.676 24.376 24.60 M42×3 39.252 38.752 39.1
※1 M26×1 25.153 24.917 25.09 M42×2 40.210 39.835 40.1
M27×3 24.252 23.752 24.1 M42×1.5 40.676 40.376 40.60
M27×2 25.210 24.835 25.1 ※1 M42×1 41.153 40.917 41.09
M27×1.5 25.676 25.376 25.60 ※2 M44×4 40.270 39.670 40.1
M27×1 26.153 25.917 26.09 ※2 M44×3 41.252 40.752 41.1
※2 M28×3 25.252 24.752 25.1 ※2 M44×2 42.210 41.835 42.1
M28×2 26.210 25.835 26.1 ※2 M44×1.5 42.676 42.376 42.60
M28×1.5 26.676 26.376 26.60 ※2 M44×1 43.153 42.917 43.09
M28×1 27.153 26.917 27.09 M45×4.5 40.799 40.129 40.6
Information
Technical


※2 M29×1.5 27.676 27.376 27.60 M45×4 41.270 40.670 41.1
M30×3.5 26.771 26.211 26.6 M45×3 42.252 41.752 42.1
• D1: Minor diameter of JIS 6H (Class 2) internal thread.
• Sizes marked with ※1 are already removed from JIS.
• Sizes marked with ※2 are not specified by JIS.
• ※Marked sizes have been eliminated from JIS.


Technical-37