References
Dormer:E2787/8
Rubix:1071911
EAN:7320760089675
Technical specifications
| Threading | 7/8-14 unf |
|---|---|
| Threading diameter | 22.23 mm |
| Type | american blind bores and through-bores |
Product details : DORMER HSCO TAP 7/8 E2787/8
HSS-E machine tap for UNF threads, uncoated, DIN 374 form C, straight flutes 1.5xD, for blind and through holes for general use in steel <1200 N/mm². Cast iron. Copper and brass. Aluminium alloys and duroplastics.
MACHINE TAP 7/ 8'UNF E278 HSCO STRAIGHT DIN 374
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)
• Alloy steel hardened and tempered (>250<350 HB >850<1200 N/mm²)
• Lamellar cast iron (<150 HB >500 N/mm²)
• Lamellar cast iron (>150<300 HB >500<1000 N/mm²)
• Nodular cast iron / malleable cast iron (<200 HB <700 N/mm²)
• Beta brass / bronze (<200 HB <700 N/mm²)
• Alpha brass (<200 HB <700 N/mm²)
• Aluminium alloy silicon 0.5% (<150 HB <500 N/mm²)
• Aluminium alloy silicon > 0.5% < 10% (<120 HB <400 N/mm²)
• Duroplastics
• Structural steel / case-hardening steel (<200 HB <700 N/mm²)
• Carbon steel (<250 HB <850 N/mm²)
• Alloy steel (<250 HB <850 N/mm²)
• Alloy steel hardened and tempered (>250<350 HB >850<1200 N/mm²)
• Lamellar cast iron (<150 HB >500 N/mm²)
• Lamellar cast iron (>150<300 HB >500<1000 N/mm²)
• Nodular cast iron / malleable cast iron (<200 HB <700 N/mm²)
• Beta brass / bronze (<200 HB <700 N/mm²)
• Alpha brass (<200 HB <700 N/mm²)
• Aluminium alloy silicon 0.5% (<150 HB <500 N/mm²)
• Aluminium alloy silicon > 0.5% < 10% (<120 HB <400 N/mm²)
• Duroplastics
Technical specifications
Attributes
| Threading | 7/8-14 unf |
|---|---|
| Threading diameter | 22.23 mm |
| Type | american blind bores and through-bores |
| With cooling spray | no |
| Direction of threading | right |
| Drilling diameter | 20.4 mm |
| Tail diameter | 14.5 mm |
| Square drive adapter | 18 mm |
| Thread depth | 28 mm |
| Coating | bright |
| Total length | 140 mm |
| Body material | hss-e / pm |
| Threading | 7/8 |
| No. of threads per inch | 14 |
| Tolerance | 2b |
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£ 115.73 excl. VAT
/ Each
£ 138.88 incl. VAT
- Usually arrives within 14 working days