OSG Taiwan for Difficult to Machine Materials Spiral Fluted Taps
Specifications
CPM-SFT1.For difficult to machine material
2. Scraps do not leave behind in the hole
OSG Taiwan Spiral Fluted taps for difficult to machine materials
(1) Product introduction
| 1.Feature | (1)For difficult to machine material. |
| 2.Application | (1)Work materials whose chips in continuous coil form . (2)Suitable for blind holes tapping. |
| 3.Production range |
Metric(M)=M1 ~ M48 Unified (U)=NO.0~1-1/2" Withworth(W)=W1/8~1-1/2" |
| 4.Dimention | JIS specification |
| 5.Thread limit | OH class |
| 6.Matreial | Powder metallurgy high speed steel |
| 7.Certification | ISO 9001 (Certified in Y1997) |
| 8.Surface treatment | None |
| 9.Lubrication | Water soluble,vegitable oil, emulsion,mineral oil and so on.... |
| 10.Machine | CNC,automatic lathe,verticla (horizontal)machine,drilling machine,manual feed ,and so on … |
| 11.Applicable industries |
All kinds of auto (motor)parts,moulds,electronic components ans so on… |
(2) Cutting speed and lubrication selection
| Place of origin | Brand | Model | Work material | Suitable cutting speed (m/min) | Suitable lubrication |
| Taiwan | TOSG | CPM-SFT | High carbon steel | 6~9 | Non-water soluble,vegetable oil,tapping paste |
| Hardened steels(HRC20-45) | 3~5 | ||||
| Tool steel | 6~9 |
(3) Cutting depth
| Model | Chamfer length |
TAP diameter | |||
| Through hole | Blind hole | ||||
| <1.5D | >1.5D | <1.5D | >1.5D | ||
| CPM-SFT | 3 | V | V | ||
(4)Selection Chart
V:Excellent O:Good
| Low carbon steels | C~0.25% | Copper | Cu | ||
| Medium carbon steels | C0.25%~0.45% | Brass | Bs | ||
| High carbon steels | C0.45%~ | V | Brass casting | BsC | |
| alloy steels | SCM | Bronze | PB | ||
| Hardened steels | 25~45HRC | V | Aluminum rolled | AL | |
| 45~55HRC | Aluminum alloy casting | AC,ADC | |||
| 50~60HRC | Magnesium alloy casting | MC | |||
| Stainless steels | SUS | Zinc alloy casting | ZDC | ||
| Tool steels | SKD | V | Titanium alloy | Ti | O |
| Cast steels | SC | Nickel alloy | O | ||
| Cast iron | FC | Thermosetting plastics | |||
| Ductile cast iron | FCD | O | Thermo-plastic |
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