What is the difference between New Ro...
New Roll Tap (NRT) and High Roll Tap (HRT) are both forming tap While HRT is a rolled-finish tap with basic performance and is limited to sizes of M6 or les... 詳細表示
There is a P or B on the shank of the...
The “P” and “B” markings on the forming‑tap shank indicate the chamfer length. In the New Roll Tap (NRT) series, “P” (Plug) is used for through‑hole machinin... 詳細表示
steam oxide Creates a Fe3O4(black rust) film on the surface of the tool Blue-black color Characteristics Retention of cutting fluid due to porosity. ... 詳細表示
Can tapered pipe taps (TPT) be used f...
Step feeding is not recommended for tapered pipe taps (OSG series: TPT). [Reasons why step feeding is not recommended] Unlike drilling, tapping is prone to... 詳細表示
internal thread Accuracy and Tapping...
OH accuracy means that in order to satisfy a predetermined internal thread accuracy, the accuracy of the tap can be selected according to the working conditi... 詳細表示
Difference Between UNF and UNJF Tap D...
The tap drill sizes (pilot hole diameters) for UNF and UNJF threads are different. The UNJF thread, which is used for aerospace applications, has a larger s... 詳細表示
How to suppress burrs at the hole en...
In forming tap processing, the material is displaced by plastic deformation, resulting in a raised shape (burr) at the hole entrance. To suppress these burr... 詳細表示
Pilot hole diameter for PT (Taper Pip...
Straight (cylindrical) holes are recommended for pilot holes. If you wish to use a pilot hole diameter larger than the catalog specification when tapping ... 詳細表示
Cutting condition example for Taper P...
The recommended cutting speed for machining SS400 with a Taper Pipe Tap (TPT, PT1/4) is 3 to 6m/min. The gauge diameter (reference diameter) of 13.157mm is ... 詳細表示
Differences in tap materials (SKS and...
Both refer to the base material used for tapping. SKS is an alloy tool steel. ・HSS is called high-speed tool steel. The main difference between the two is... 詳細表示
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