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Manufacturer number:
Machine tap HSS-E-PM 3/8-18
Article no.: 138100 3/8-18
Article code:
- Thread type: NPT
- Flank angle: 60
- Tool material: HSS E PM
- Standard: Manufacturer’s standard
- Thread standard: ANSI B 1.20.1
Product details
Technical Data
| Thread size | 3/8-18 NPT | |
| Coating | TiAlN | |
| Thread type | NPT | |
| Flank angle | 60 degrees | |
| Tool material | HSS E PM | |
| Standard | Manufacturer’s standard | |
| Thread standard | ANSI B 1.20.1 | |
| Taper lead form | C | |
| Taper ratio | 1:16 | |
| Helix angle | 15 degrees | |
| Shank | Plain shank with h9 | |
| Through-coolant | no | |
| Application for type of drilling | Blind hole; Through hole | |
| Cutting direction | right-hand | |
| Thread pitch | 1.411 mm | |
| Threads per inch | 18 | |
| Overall length L | 100 mm | |
| Shank ⌀ Ds | 12 mm | |
| Shank square □ | 9 mm | |
| Tapping hole ⌀ A | 9/16 in | |
| Tapping hole ⌀ B | 14.1 mm | |
| Thread gauge ⌀ Dmax + 0.05 | 14.8 mm | |
| Tapping hole minimum depth | 17.6 mm | |
| Thread ⌀ | 17.055 mm | |
| Type of threading tool | Machine tap for conventional machining | |
| Number of clamping slots | 4 | |
| Colour ring | red | |
| Number of cutting edges Z | 4 | |
| Thread depth | 32.7 mm | |
| Type of product | Tap |
Identification numbers & Classifications
| Article number | 138100 3/8-18 | |
| EAN / GTIN | 4045197080431 | |
| Manufacturer number | 138100 3/8-18 |
Application Table
P
23
P
13
P
7
H
4
H
3
H
2
Description
Version:
For the highest performance demands. For use with emulsion (fat content minimum 8%).
Application:
Tapered pipe threads (NPT) to ANSI B1.20.1, for threads with sealants. See the table for the specified minimum size of the tapping hole.
Recommendation:
For TOOLOX and HARDOX materials we recommend deviating from the DIN data (see table) by drilling the tapping hole ⌀ 0.05 to 0.3 mm larger.
Tapping hole ⌀ A:
Pre-drill a plain hole without using a reamer.
Tapping hole ⌀ B:
Pre-drill a plain hole and then ream it using a 1:16 taper reamer (see No. 162650). The taper bore ⌀ can then be checked laterally by reference to the Dmax check dimension (see table). Variant B for drilling the tapping hole offers the best process reliability for the tapping operation.
Tapping hole ⌀ A:
Pre-drill a plain hole without using a reamer.
Tapping hole ⌀ B:
Pre-drill a plain hole and then ream it using a 1:16 taper reamer (see No. 162650). The taper bore ⌀ can then be checked laterally by reference to the Dmax check dimension (see table). Variant B for drilling the tapping hole offers the best process reliability for the tapping operation.
Downloads & documents
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|
| Flank angle | 60 degrees | 60 degrees | 60 degrees | 60 degrees |
| Threads per inch | 18 | 18 | 18 | 18 |
| Overall length L | 100 mm | 110 mm | 110 mm | 100 mm |
| Thread pitch | 1.411 mm | 1.411 mm | 1.411 mm | 1.411 mm |
| Tapping hole minimum depth | 17.6 mm | 17.6 mm | 17.6 mm | 17.6 mm |
| Shank square □ | 9 mm | 9 mm | 9 mm | 9 mm |
| Shank ⌀ Ds | 12 mm | 12 mm | 12 mm | 12 mm |