BAER HSSG Hand Tap Intermediate (No. 2) UNC No. 3 x 48
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BAER HSSG Hand Tap Intermediate (No. 2) UNC No. 3 x 48
The hand tap intermediate tap (No. 2) allows you to shape a thread before finishing it with the finishing tap (No. 3). The advantage of pre-cutting a thread with the intermediate tap (No. 2) is that the cutting forces on the subsequent finishing tap (No. 3) are reduced. The intermediate tap (No. 2) is marked with two rings and removes approx. 85 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.
Dimensioni
| Diametro della filettatura |
No. 3 |
|---|---|
| Dimensione |
UNC No. 3 x 48 |
| Inclinazione |
48 |
| Nominal Diametro della filettatura in inches |
0,099 |
| Nominal Diametro della filettatura in mm |
2,515 |
| Quadrato |
2,1 mm |
| Pitch in mm |
0,529 |
Caratteristiche
| Direction |
Right |
|---|---|
| Filettatura standard |
UNC: American Unified National Coarse thread according to ANSI B1.1 |
| Gruppo di prodotti |
Screw taps |
| Materiale |
HSSG bright |
| Resistenza alla trazione a temperatura ambiente |
up to 900 N/mm² | 27.1 HRC |
| Standard |
DIN 352 |
| Product type |
Hand tap sets |
| Tolerance |
2B |
2.1 mm
Through hole and blind hole up to 2 x D
Form D straight fluted
3.5-5 threads
Non avviene quasi mai. I trucioli rimangono nelle scanalature.
External cooling and lubrication
HSSG bright
up to 900 N/mm² | 27.1 HRC
2B
Applicazioni
- Materials with good machinability up to 900 N/mm²
- Unalloyed and low-alloy steels
Disegno tecnico
| D1 |
UNC Nr. 3 x 48 |
|---|---|
| D2 |
2,8 mm |
| Diametro della filettatura |
No. 3 |
| L1 |
36 mm |
| L2 |
11 mm |
| Quadrato |
2,1 mm |
Applicazione - Campioni di materiali per i maschi
| Acciai da costruzione non legati | |
|---|---|
| 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 |
| Acciai legati per costruzioni | |
|---|---|
| 1.5415 | 15Mo3 |
| 1.5423 | 16Mo5 |
| 1.5622 | 14Ni6 |
| 1.7335 | 13CrMo44 |
| 1.7337 | 16CrMo44 |
| 1.7715 | 14MoV63 |
| Acciai a taglio libero | |
|---|---|
| 1.0711 | 9S20 |
| 1.0715 | 9SMn28 |
| 1.0718 | 11SMnPb30 |
| 1.0721 | 10S20 |
| 1.0723 | 15S20 |
| 1.0726 | 35S20 |
| 1.0737 | 9SMnPb36 |
| 1.0758 | 60SPb20 |
| Acciai da cementazione | |
|---|---|
| 1.0401 | (C15) |
| 1.7016 | 17CR3 |
| 1.7131 | 16MnCr5 |
| 1.5919 | 15CrNi6 |
| Acciai temprati e rinvenuti non legati | |
|---|---|
| 1.0402 | C 22 |
| 1.1151 | C22E (Ck22) |
| 1.0503 | C 45 |
| 1.1191 | C45E (Ck45) |
| Acciaio fuso | |
|---|---|
| 1.0420 | GS-38 |
| 1.5419 | GS-22 Mo 4 |
| 1.6750 | GS-20 NiCrMo3 7 |
| 1.7357 | GS-17 CrMo 5 5 |
| Ghisa malleabile | |
|---|---|
| 0.8145 | EN-GJMB 450-6 |
| 0.8170 | EN-GJMB 700-2 |
| 0.8045 | EN-GJMW-450-7 |
| 0.8055 | EN-GJMW-550-4 |
| Rame puro a bassa lega | |
|---|---|
| 2.0240 | CuZn15 |
| 2.0265 | CuZn30 |
| Taglio corto dell'ottone | |
|---|---|
| 2.0401 | CuZn39Pb3 |
| Ottone a taglio lungo | |
|---|---|
| 2.0321 | CuZn37 |
| 2.0335 | CuZn36 |
| 2.0360 | CuZn40 |
| Alluminio fuso Si > 5-12 % | |
|---|---|
| 3.2161 | G-AlSi8Cu3 |
| 3.2163 | G-AlSi9Cu3 |
| 3.2381 | G-AlSi10Mg |
| 3.2583 | G-AlSi12(Cu) |
| Ghisa a grafite lamellare | |
|---|---|
| 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) |
| Lega di rame-stagno (bronzo) a taglio corto | |
|---|---|
| 2.1090.01 | G-CuSn7ZnPb |
| 2.1086.01 | G-CuSn10Zn |
| 2.1097 | G-CuSn5ZnPb |
| Rame puro, rame a bassa lega | |
|---|---|
| 2.0240 | CuZn15 |
| 2.0265 | CuZn30 |
Ulteriori informazioni
- UNC - Unified National Coarse Thread Series ANSI B1.1 American coarse 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