BAER HSSE Hand Tap Finishing (No. 2) G (BSP) 1/2 x 14
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BAER HSSE Hand Tap Finishing (No. 2) G (BSP) 1/2 x 14
The hand tap finishing tap (No. 3) enables you to cut a finished thread. It is advantageous to shape the thread beforehand with a taper tap (No. 1) in order to better distribute the cutting power.
However, the finishing tap (No. 3) can also be used without a pre- or intermediate tap (No. 2) as it already cuts a fully usable thread. However, the short chamfer makes it more difficult to get straight into the hole and the tool life time is reduced compared to using multi-part hand tap sets
Compared to the machine tap, the hand 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 into a pre-drilled core hole. Due to the short chamfer of the finish tap, it can be used universally for through holes and blind holes.
Dimensions
| Diameter |
1/2 |
|---|---|
| Nominal diameter in inches |
0,825 |
| Nominal diameter in mm |
20,95 |
| Pitch |
14 |
| Pitch in mm |
1,814 |
| Dimension |
G (BSP) 1/2 x 14 |
Characteristics
| Product group |
Screw taps |
|---|---|
| Product type |
Hand tap sets |
| Thread standard |
G (BSP): British Standard Pipe Thread according to DIN ISO 228 - Cylindrical pipe thread |
| Tolerance |
medium |
| Direction |
Right |
| Standard |
DIN 5157 |
| Tensile strength at room temperature |
up to 1200 N/mm² | 38 HRC |
| Material |
HSSE bright |
19 mm
Through hole and blind hole up to 2 x D
Form C straight fluted
2-3 threads
Rarely occurs. Chips remain in flutes.
External cooling and lubrication
HSSE bright
up to 1200 N/mm² | 38 HRC
medium
Applications
- Difficult to machine materials
- Steels up to 1200 N/mm²
Examples of applications
- Inch thread or Whitworth thread in the sanitary sector
- G-pipe pipe thread
- Fittings, connectors, nipples, threaded fittings for water pipes, sanitary threads, water threads
- Double nipples and double pipe nipples
- Angle connection
- Pipe threaded connections
Technical drawing
| D1 |
G (BSP) 1/2 x 14 |
|---|---|
| D2 |
16 mm |
| L1 |
80 mm |
| L2 |
22 mm |
| Diameter |
1/2 |
| Square |
12 mm |
Application – Sample materials
| General construction steels | |
|---|---|
| 1.0035 | S 185 (St 33) |
| 1.0036 | S 235 JRH |
| 1.0039 | S 235JRG1+CR |
| 1.0060 | E 335 (St 60-2) |
| Free-cutting steels | |
|---|---|
| 1.0718 | 11SMnPb30 |
| 1.0721 | 10S20 |
| 1.0726 | 35S20 |
| 1.0728 | 60S20 |
| Case-hardening steels | |
|---|---|
| 1.0401 | (C15) |
| 1.7016 | 17 CR3 |
| 1.7131 | 16MnCr5 |
| 1.5919 | 15CrNi6 |
| Quenched and tempered steels unalloyed | |
|---|---|
| 1.0402 | C 22 |
| 1.1151 | C22E (Ck 22) |
| 1.0503 | C 45 |
| 1.1191 | C45E (Ck 45) |
| Cast steel | |
|---|---|
| 1.5681 | GS-10 Ni 19 |
| 1.6760 | GS-22 NiMoCr 5 6 |
| Quenched and tempered steels alloyed | |
|---|---|
| 1.1133 | 20Mn5 |
| 1.5710 | 36NiCr6 |
Further information
- G (BSP) - British Standard Pipe DIN ISO 228 - Cylindrical pipe thread
- Whitworth Pipe Thread
- 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
- Cutting speeds and lubrication/cooling
- Information about tapping
- Material table