BAER HSSE Hand Tap Taper (No. 1) M 3 x 0.5
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BAER HSSE Hand Tap Taper (No. 1) M 3 x 0.5
The hand tap taper tap (No. 1) enables you to pre-cut a thread. The advantage of pre-cutting a thread is that the cutting forces on the subsequent intermediate tap (No. 2) or finishing tap (No. 3) are reduced. The taper tap (No. 1) is marked with a ring and removes approx. 65 percent of the thread profile. Because no complete thread profile is cut, the thread is not yet usable. Only when the finishing tap (No. 3) completes the thread in the last process is it fully usable. By dividing the work between two or three taps, it is easier to cut a straight and clean thread by hand.
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 in a pre-drilled core hole.
Dimensions
| Diameter |
3 |
|---|---|
| Nominal diameter in inches |
0,118 |
| Nominal diameter in mm |
3 |
| Pitch |
0,5 |
| Pitch in mm |
0,5 |
| Dimension |
M 3 x 0,5 |
Characteristics
| Product group |
Screw taps |
|---|---|
| Product type |
Hand tap sets |
| Thread standard |
M: Metric ISO standard thread according to DIN 13 |
| Tolerance |
ISO2/6H |
| Direction |
Right |
| Standard |
DIN 352 |
| Tensile strength at room temperature |
up to 1000 N/mm² | 32 HRC |
| Material |
HSSE bright |
2.5 mm
Through hole and blind hole up to 2 x D
Form A straight fluted
6-8 threads
Rarely occurs. Chips remain in flutes.
External cooling and lubrication
HSSE bright
up to 1000 N/mm² | 32 HRC
ISO2/6H
Applications
- General-purpose use
- Steels up to 1000 N/mm²
Technical drawing
| D1 |
M 3 x 0,5 |
|---|---|
| D2 |
3,5 mm |
| L1 |
40 mm |
| L2 |
11 mm |
| Diameter |
3 |
| Square |
2,7 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 |