References
Dormer:E5701.1/4X8NO3
Rubix:1068888
EAN:7320760200940




Technical specifications
| Threading | un 1-1/4-8 |
|---|---|
| Threading diameter | 31.75 mm |
| Type | british blind bores and through-bores |
Product details : DOR HSS TAP 1.1/4X8NO3
HSS machine tap for UN threads uncoated ISO 529 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. Duroplastics and fibre-reinforced plastics.
TARAUD MACHINE N3 1-1/4 UN E570
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)
• Cast iron lamellar (<150 HB >500 N/mm²)
• Cast iron lamellar (>150<300 HB >500<1000 N/mm²)
• Nodular cast iron / malleable cast iron (<200 HB <700 N/mm²)
• Nodular cast iron / malleable cast iron (>200<300 HB >700<1000 N/mm²)
• Copper (<100 HB <350 N/mm²)
• Beta-brass / bronze (<200 HB <700 N/mm²)
• Alpha-brass (<200 HB <700 N/mm²)
• Extra-strong bronze (<470 HB <1500 N/mm²)
• Aluminium alloyed with silicon 0.5% (<150 HB <500 N/mm²)
• Aluminium alloyed with silicon >0.5% <10% (<120 HB <400 N/mm²)
• Aluminium alloyed with silicon >10%, whisker-reinforced aluminium alloys, magnesium alloys (<120 HB <400 N/mm²)
• Duroplastics
• Reinforced plastics
• 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)
• Cast iron lamellar (<150 HB >500 N/mm²)
• Cast iron lamellar (>150<300 HB >500<1000 N/mm²)
• Nodular cast iron / malleable cast iron (<200 HB <700 N/mm²)
• Nodular cast iron / malleable cast iron (>200<300 HB >700<1000 N/mm²)
• Copper (<100 HB <350 N/mm²)
• Beta-brass / bronze (<200 HB <700 N/mm²)
• Alpha-brass (<200 HB <700 N/mm²)
• Extra-strong bronze (<470 HB <1500 N/mm²)
• Aluminium alloyed with silicon 0.5% (<150 HB <500 N/mm²)
• Aluminium alloyed with silicon >0.5% <10% (<120 HB <400 N/mm²)
• Aluminium alloyed with silicon >10%, whisker-reinforced aluminium alloys, magnesium alloys (<120 HB <400 N/mm²)
• Duroplastics
• Reinforced plastics
Technical specifications
Attributes
| Threading | un 1-1/4-8 |
|---|---|
| Threading diameter | 31.75 mm |
| Type | british blind bores and through-bores |
| With cooling spray | no |
| Direction of threading | right |
| Drilling diameter | 28.5 mm |
| Tail diameter | 18 mm |
| Square drive adapter | 22.4 mm |
| Thread depth | 41 mm |
| Coating | bright |
| Total length | 151 mm |
| Body material | hss |
| Threading | un 1-1/4-8 |
| No. of threads per inch | 8 |
| Tolerance | 2b |
| Shank type | square drive 18,0 mm |
Show UNSPSC/ECL@SS
£ 182.40 excl. VAT
/ Each
£ 218.88 incl. VAT
- Usually arrives within 14 working days