
Specification M10×1.5 UNC Chamfer: 5P Tap dril size 8.5mm(ref.)
Oxide
Low carbon steels
(m/min)
Blister Pack
Product Features How to Use
machining on a drilling machine. matches the screw thread size minor diameter, and then
Chips from a tapped hole. Hand tapping using a tap Machining with a drilling handle. machine. ■Thread bored hole diameter table. Unit: mm
| Int | ernal Thread Diamete | r | |||
| Thread Size | Minimum Allowable | Maximum Allow | able Bored Hole. | Drill Diameter | Percentage of Thread |
| Bored Hole. | 6H(Level 2) | 7H(Level 3) | |||
| M3×0.5 | 2.459 | 2.599 | 2.639 | 2.6(2.5) | 74%(92%) |
| M4×0.7 | 3.242 | 3.422 | 3.466 | 3.4(3.3) | 79%(92%) |
| M5×0.8 | 4.134 | 4.344 | 4.384 | 4.3(4.2) | 81%(92%) |
| M6×1 | 4.917 | 5.153 | 5.217 | 5.1(5.0) | 83%(92%) |
| M8×1.25 | 6.647 | 6.912 | 6.982 | 6.9(6.8) | 91%(89%) |
| M10×1.5 | 8.376 | 8.676 | 8.751 | 8.6(8.5) | 86%(92%) |
Note 1) Recommended bored hole size in this table is for 7H (3rd grade) internal thread, selected from commercially available standard drills. Note 2) The size of the drill in parentheses is used for cases where the drill cutting oversize is too large or for 6H (2nd grade) internal thread processing.
Shank Adjuster ●Use the shank adjuster when tapping into deep holes.
* For details on shank adjusters,refer to ⑦-77.
from the video site on ①-59 the right.