Specifications
1.Straight fluted tap(hand tap)2.Straight fluted & strong cutting edge.
HT(General application)
(1)Product introduction
| 1. Feature | (1)Straight fluted & strong cutting edge (2)Easy to select the chamfer part→1.5p, 5p, and 9p. (3)Easy to regrind & multiple choices of sizes. |
| 2. Application | (1)For powdery chip materials. (2)For short blind and through holes. (3)For material with high hardness degrees. (4)Mateirals which wear the tools easily (ex. FC, Aluminum casting materials like AC/ADC, and so on...). |
| 3.Production range | Metric=M1 ~ M100 U series=NO.0~4" W series=W1/8~4" |
| 4.Dimensions | JIS specifications |
| 5.Thread limit | JIS II class, ISO 2nd class, DIN 6H class , and other classes. |
| 6. Material | Alloy tool steel, HSS, CPM, and Hard alloy. |
| 7. Certification | Certification |
| 8.Surface treatment | Oxide, Nitride, Titanium nitride, and Titanium corbonitride (Alloy tool steel are without surface treatment). |
| 9. Lubrication | Water-soluble, non-water soluble, and emulsified. |
| 10. Machine | CNC, automatic lathe, vertical(horizontal) machines, drilling, manual feed, and so on… |
| 11. Applicable industries |
Auto parts, machinery parts, machine tool casting, molds, and so on… |
(2) Drilling speed and lubrication
| Place of origin | Brand | Model | Work material | Suitable drilling speed | Suitable lubrication |
| Taiwan | TOSG | HT | Medium carbon steels | 7~12 | Water-soluble(non-water soluble), and vegetable oil |
| Ductile cast iron | 7~12 | ||||
| Brass | 6~9 | Non-water soluble, mineral oil,vegetable oil, emulsified. | |||
| Brass casting | 10~15 | ||||
| Bronze | 6~11 | ||||
| Aluminum | 10~20 | ||||
| Aluminum alloy casting | 10~15 | ||||
| Magnesium alloy casing | 7~12 | ||||
| Zinc alloy casing | 7~12 |
(3)Cutting Depth
| Model | Chamfer length (Number or threads) | TAP diameter | |||
| Through hole | Blind hole | ||||
| <1.5D | >1.5D | <1.5D | >1.5D | ||
| HT | 2 | V | V | ||
| 3 | V | V | V | V | |
(4)Work material
V : Excellent O: Good
| Low carbon steels | C~0.25% | Copper | Cu | ||
| Medium carbon steels | C0.25%~0.45% | O | Brass | Bs | O |
| High carbon steels | C0.45%~ | Brass casting | BsC | O | |
| Alloy steels | SCM | Bronze | PB | O | |
| Hardened steels | 25~45HRC | Aluminum | AL | O | |
| 45~55HRC | Aluminum alloy casting | AC,ADC | O | ||
| 50~60HRC | Magnesium alloy casing | MC | O | ||
| Stainless steels | SUS | Zinc alloy casing | ZDC | O | |
| Tool steels | SKD | Titanium Alloys | Ti | ||
| Cast steels | SC | Nickel alloys | |||
| Cast iron | FC | Thermo setting plastic | |||
| Ductile cast iron | FCD | O | Thermoplastic |