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Article code:
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Manufacturer number:
Machine tap, uncoated, UNF: 7/8-14
Article no.: 138000 7/8-14
Article code:
- Thread type: UNF
- Flank angle: 60
- Tool material: HSS E
- Standard: DIN 374
- Tolerance class: 2B
Product details
Technical Data
| Thread size | 7/8-14 UNF | |
| Coating | uncoated | |
| Thread type | UNF | |
| Flank angle | 60 degrees | |
| Tool material | HSS E | |
| Standard | DIN 374 | |
| Tolerance class | 2B | |
| Taper lead form | C | |
| Helix angle | 20 degrees | |
| Shank | Plain shank with h9 | |
| Through-coolant | no | |
| Application for type of drilling | up to 2×D for blind holes | |
| Cutting direction | right-hand | |
| Thread pitch | 1.814 mm | |
| Threads per inch | 14 | |
| Thread ⌀ | 22.23 mm | |
| Overall length L | 125 mm | |
| Shank ⌀ Ds | 18 mm | |
| Shank square □ | 14.5 mm | |
| Tapping hole ⌀ | 20.4 mm | |
| Type of threading tool | Machine tap for conventional machining | |
| Number of clamping slots | 4 | |
| Colour ring | without | |
| Number of cutting edges Z | 4 | |
| Thread depth | 44.46 mm | |
| Type of product | Tap |
Identification numbers & Classifications
| Article number | 138000 7/8-14 | |
| EAN / GTIN | 4045197080394 | |
| Manufacturer number | 138000 7/8-14 |
Application Table
N
13
P
15
P
15
Description
Version:
Sturdy design, with 20° right-hand chip flutes.
HSS-E
Application:
For UNF uniform fine threads ASME − B1.1.
Downloads & documents
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|
| Type of threading tool | Machine tap for conventional machining | Machine tap for conventional machining | Machine tap for conventional machining | Machine tap for conventional machining |
| Coating | uncoated | uncoated | uncoated | uncoated |
| Thread size | 7/8-14 UNF | 7/8-14 UNF | 7/8-14 UNF LH | 7/8-14 UNF |
| Thread pitch | 1.814 mm | 1.814 mm | 1.814 mm | 1.814 mm |
| Shank square □ | 14.5 mm | 14.5 mm | 14.5 mm | 14.5 mm |
| Tolerance class | 2B | 1B; 2B; 2B +0.05; 2B +0.10; 2B +0.20; 3B | 1B; 2B; 2B +0.05; 2B +0.10; 2B +0.20; 3B | 2B |
| Shank ⌀ Ds | 18 mm | 18 mm | 18 mm | 18 mm |