References
Dormer:E6531/4
Rubix:376A2279
EAN:7320760297278
Technical specifications
| Threading | npt 1/4-18 |
|---|---|
| Threading diameter | 11 mm |
| Type | american blind bores and through-bores |
Product details : DORMER E6531/4 5978395
HSS combi drill tap for NPT thread form C 27° spiralized 1.5xD through holes for general use in steel <850 N/mm². Cast iron. Copper and brass. Aluminium alloys Si <0.5% and thermoplastics.
Applications
• Free-cutting steel / mild steel (<120 HB <400 N/mm²)
• Structural steel / case-hardening steel (<200 HB <700 N/mm²)
• Carbon steel (<250 HB <850 N/mm²)
• Alloy steel (<250 HB <850 N/mm²)
• Lamellar cast iron (>150<300 HB >500<1000 N/mm²)
• Beta brass / bronze (<200 HB <700 N/mm²)
• Alpha brass (<200 HB <700 N/mm²)
• Unalloyed aluminium-magnesium (<100 HB <350 N/mm²)
• Aluminium alloyed Silicon 0.5% (<150 HB <500 N/mm²)
• Plastics - Thermoplastics
• Structural steel / case-hardening steel (<200 HB <700 N/mm²)
• Carbon steel (<250 HB <850 N/mm²)
• Alloy steel (<250 HB <850 N/mm²)
• Lamellar cast iron (>150<300 HB >500<1000 N/mm²)
• Beta brass / bronze (<200 HB <700 N/mm²)
• Alpha brass (<200 HB <700 N/mm²)
• Unalloyed aluminium-magnesium (<100 HB <350 N/mm²)
• Aluminium alloyed Silicon 0.5% (<150 HB <500 N/mm²)
• Plastics - Thermoplastics
Technical specifications
Attributes
| Threading | npt 1/4-18 |
|---|---|
| Threading diameter | 11 mm |
| Type | american blind bores and through-bores |
| With cooling spray | no |
| Drilling diameter | 11 mm |
| Tail diameter | 10.69 mm |
| Square drive adapter | 14.27 mm |
| Thread depth | 26.99 mm |
| Angle of helix | 27 ° |
| Coating | uncoated |
| Total length | 84.14 mm |
| Body material | hss |
| No. of threads per inch | 18 |
| Tolerance | normal p |
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£ 41.84 excl. VAT
/ Each
£ 50.21 incl. VAT
- Usually arrives within 14 working days