BAER HSSE Short Machine Tap Form B - NPTF 1/16 x 27
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BAER HSSE Short Machine Tap Form B - NPTF 1/16 x 27
Short machine taps allow you to cut a finished thread with just one tool in one step, even by hand. Exact internal thread can be cut by hand or semi-professionally by machine to save time.
Compared to the machine tap, the short machine tap has a short shank. This allows you to cut internal thread by hand without jamming and can be operated with tap wrenches, tool ratchets or other holding tools with square drive.
The thread can be cut in a pre-drilled core hole and does not require any preparatory work by a taper tap (No. 1) or intermediate tap (No. 2).
This internal tap clearly offers the price advantage over the hand tap set, as you no longer need two or three screw taps for thread cutting, but only one screw tap. The high time saving in this process also significantly increases efficiency at thread cutting.
Due to the straight flutes and the spiral point (spiral entry), the chips are pressed out of the hole in the cutting direction and can therefore only be used for through holes. In blind holes, chips would jam and cause tool damage. Due to its straight and flat flutes, this screw tap is more stable than spiral fluted taps.
Dimensions
| Diameter |
1/16 |
|---|---|
| Nominal diameter in inches |
0,31 |
| Nominal diameter in mm |
7,87 |
| Pitch |
27 |
| Pitch in mm |
0,941 |
| Dimension |
NPTF 1/16 x 27 |
| Square |
5 mm |
Characteristics
| Product group |
Screw taps |
|---|---|
| Product type |
Short machine taps |
| Thread standard |
NPTF: Dry-seal American Standard Taper Pipe Thread according to ANSI B 1.20.3 |
| Tolerance |
medium |
| Direction |
Right |
| Standard |
Factory standard |
| Tensile strength at room temperature |
up to 900 N/mm² | 27.1 HRC |
| Material |
HSSE bright |
6.15 mm
Through hole up to 4 x D
Form B with spiral point
4-5 threads
Chips are removed downwards in the direction of cutting
External cooling and lubrication
HSSE bright
up to 900 N/mm² | 27.1 HRC
medium
Applications
- General-purpose use
- Good machinable materials up to 900 N/mm²
- Unalloyed and low-alloy steels
- for through holes
- for hand and machine use
Technical drawing
| D1 |
NPTF 1/16 x 27 |
|---|---|
| D2 |
6,5 mm |
| L1 |
55 mm |
| L2 |
19 mm |
| Diameter |
1/16 |
| Square |
5 mm |
Application – Sample materials for taps
| Unalloyed construction steels | |
|---|---|
| 1.0035 | S185 (St33) |
| 1.0036 | S235JRH |
| 1.0038 | RSt37-2 |
| 1.0039 | S235JRG1+CR |
| 1.0044 | St44-2 |
| 1.0060 | E335 (St60-2) |
| 1.0116 | St37-3 |
| 1.0570 | St 52-3 |
| Alloyed construction steels | |
|---|---|
| 1.5415 | 15Mo3 |
| 1.5423 | 16Mo5 |
| 1.5622 | 14Ni6 |
| 1.7335 | 13CrMo44 |
| 1.7337 | 16CrMo44 |
| 1.7715 | 14MoV63 |
| Free-cutting steels | |
|---|---|
| 1.0711 | 9S20 |
| 1.0715 | 9SMn28 |
| 1.0718 | 11SMnPb30 |
| 1.0721 | 10S20 |
| 1.0723 | 15S20 |
| 1.0726 | 35S20 |
| 1.0737 | 9SMnPb36 |
| 1.0758 | 60SPb20 |
| Case-hardening steels | |
|---|---|
| 1.0401 | (C15) |
| 1.7016 | 17CR3 |
| 1.7131 | 16MnCr5 |
| 1.5919 | 15CrNi6 |
| Quenched and tempered steels unalloyed | |
|---|---|
| 1.0402 | C 22 |
| 1.1151 | C22E (Ck22) |
| 1.0503 | C 45 |
| 1.1191 | C45E (Ck45) |
| Cast steel | |
|---|---|
| 1.0420 | GS-38 |
| 1.5419 | GS-22 Mo 4 |
| 1.6750 | GS-20 NiCrMo3 7 |
| 1.7357 | GS-17 CrMo 5 5 |
| Malleable cast iron | |
|---|---|
| 0.8145 | EN-GJMB 450-6 |
| 0.8170 | EN-GJMB 700-2 |
| 0.8045 | EN-GJMW-450-7 |
| 0.8055 | EN-GJMW-550-4 |
| Pure copper low-alloyed | |
|---|---|
| 2.0240 | CuZn15 |
| 2.0265 | CuZn30 |
| Brass short-chipping | |
|---|---|
| 2.0401 | CuZn39Pb3 |
| Brass long-chipping | |
|---|---|
| 2.0321 | CuZn37 |
| 2.0335 | CuZn36 |
| 2.0360 | CuZn40 |
| Aluminum cast Si > 5-12 % | |
|---|---|
| 3.2161 | G-AlSi8Cu3 |
| 3.2163 | G-AlSi9Cu3 |
| 3.2381 | G-AlSi10Mg |
| 3.2583 | G-AlSi12(Cu) |
| Lamellar graphite cast iron | |
|---|---|
| 0.6010 | EN-GJL 100 (GG-10) |
| 0.6020 | EN-GJL 200 (GG -20) |
| 0.6025 | EN-GJL 250 (GG-25) |
| 0.6030 | EN-GJL 300 (GG -30) |
| Copper-tin alloy (bronze) short-chipping | |
|---|---|
| 2.1090.01 | G-CuSn7ZnPb |
| 2.1086.01 | G-CuSn10Zn |
| 2.1097 | G-CuSn5ZnPb |
| Pure copper, low-alloyed copper | |
|---|---|
| 2.0240 | CuZn15 |
| 2.0265 | CuZn30 |
Further information
- NPT National Pipe Thread ANSI B 1.20.1 American pipe thread, tapered
- Designations, geometries and definitions on taps
- Thread tolerances of the internal thread
- Internal thread and core hole dimensions
- Tap Chamfer forms
- Comparison inch-mm
- Surface treatments on tapping tools
- Information about tapping
- Material table
Safety instructions
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