Specifications
Long thread forming taps1.Using plastic deformation to produce internal threads.
2.It is efficient for tapping blind holes.
Long thread forming taps for steels
(1)Product introduction
1.Feature | (1)Long thread forming taps for steels. |
2.Application | (1)Suitable for materails create no chips such as low, medium, and high carbon steels and alloy steels. |
3.Production range | Metric M1 ~ M20 |
4.Dimensions | JIS specifications |
5.Thread limit | RH class |
6.Material | HSS-Vanadium |
7.Certification | ISO 9001 (Certified in Y1997) |
8.Surface treatment | Steam oxide treatment |
9.Lubrication | Water-soluble, non-water soluble, emulsified, mineral and vegetable oil. |
10.Machine | M/C, automatic lathe, synchronous machineand and so on… |
11.Applicable industries |
IC industries,mobile/tablet PC components,3C products componenets,and so on… |
(2) Cutting speed and lubrication
Place of origin | Brand | Model | Work material | Cutting speed | Suitable lubrication |
Taiwan | TOSG | EXL-NRT | Low carton steels | 8~13 | Water-soluble, |
Medium carton steels | 7~10 | ||||
Alloy steels | 5~8 |
(3)Cutting depth
Model | Chamfer length | TAP diameter | |||
Through hole | Blind hole | ||||
<1.5D | >1.5D | <1.5D | >1.5D | ||
EXL-NRT | 2 | V | V | ||
4 | V | V |
(4)Work material
V: Excellent O: Good
Low carbon steels | C~0.25% | O | Copper | Cu | |
Medium carbon steels | C0.25%~0.45% | O | Brass | Bs | |
High carbon steels | C0.45%~ | Brass casting | BsC | ||
Alloy steels | SCM | O | Bronze | PB | |
Hardened steels | 25~45HRC | Aluminum | AL | ||
45~55HRC | Aluminum alloy casting | AC,ADC | |||
50~60HRC | Magnesium alloy casing | MC | |||
Stainless steels | SUS | Zinc alloy casing | ZDC | ||
Tool steels | SKD | Titanium Alloys | Ti | ||
Cast steels | SC | Nickel alloys | |||
Cast iron | FC | Thermosetting plastic | |||
Ductile cast iron | FCD | Thermoplastic |