References
Dormer:E2781.1/4
Rubix:1071914
EAN:7320760089583
Technical specifications
| Threading | unf 1-1/4 |
|---|---|
| Threading diameter | 31.75 mm |
| Type | american blind bores and through-bores |
Product details : DORMER HSCO TAP 1.1/4 E2781.1/4
HSS-E machine tap for UNF threads uncoated DIN 374 form C straight flutes 1.5xD blind and through holes for general use in steel <1200 N/mm². Cast iron. Copper and brass. Aluminium alloys and duroplastics.
MACHINE TAP 1'1/ 4 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 | unf 1-1/4 |
|---|---|
| Threading diameter | 31.75 mm |
| Type | american blind bores and through-bores |
| With cooling spray | no |
| Direction of threading | right |
| Drilling diameter | 29.5 mm |
| Tail diameter | 20 mm |
| Square drive adapter | 25 mm |
| Thread depth | 28 mm |
| Coating | bright |
| Total length | 150 mm |
| Body material | hss-e |
| Threading | 1,1/4 |
| No. of threads per inch | 12 |
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£ 174.84 excl. VAT
/ Each
£ 209.81 incl. VAT
- Usually arrives within 14 working days