BAER Round Cutting Die UNF 7/8 x 14 - LEFT - HSS
BAER Round Cutting Die UNF 7/8 x 14 - LEFT - HSS
BAER thread cutting dies are threading tools that are perfect for external threads. Basically, this cutting tool is cylindrical and has - depending on the size - three or more cutting edges inside. The holes between the cutting edges take up the chips, roll them and carry them away. Cutting dies are often used in everyday life to make screws, nuts and threaded rods. This is a left-hand cutting die with which left-hand thread can be produced. The threads are cut by hand with the die holder and with the special die holders you can also attach the round die to a tailstock or to a drill. The dies can usually be used on both sides and have a perfect cut. The external thread cutting tool is made of high-speed steel (HSS). HSS steel has a higher toughness and a lower susceptibility to breakage compared to HSSE steel. HSS steel is known for its exceptional cutting performance and durability. HSS cutting dies can be used for a wide range of applications, such as structural steels, carbon steels and free-cutting steels. It is also suitable for case-hardening steels and unalloyed tempering steels with a strength of up to 750 N/mm². Cast steel as well as zinc alloys can also be cut with it, as well as pure copper, low-alloy copper, as well as short-chipping copper-tin alloys, plastics such as POM, PVC, etc. It is important that you lubricate the tool plumbed working and with cutting oil or cutting paste.
Dimensions
| Height H |
16 mm |
|---|---|
| Diameter |
7/8 |
| Nominal diameter in inches |
0,875 |
| Nominal diameter in mm |
22,225 |
| Pitch |
14 |
| Pitch in mm |
1,814 |
| Dimension |
UNF 7/8 x 14 |
Characteristics
| Product group |
Round cutting die |
|---|---|
| Product type |
Round cutting dies |
| Thread standard |
UNF: American Fine Unified National thread according to ANSI B1.1 |
| Tolerance |
2A |
| Direction |
Left |
| Standard |
DIN 223 (DIN EN 2256 |
| Material |
HSS |
Technical information - Cutting dies
1,5
HSS
2A
Applications
- General-purpose use up to 750 N/mm²
- general structural steels, free-cutting steels, case-hardening steels and unalloyed heat-treatable steels
- Pure copper, low-alloyed copper, as well as short-chipping copper-tin alloys
- Plastics such as POM, PVC, etc.
Technical drawing
| Bolt pre-cutting diameter D2 |
22,05 mm |
|---|---|
| Height H |
16 mm |
| Outside diameter D1 |
55 mm |
| Dimension Diameter D |
UNF 7/8 x 14 |
| Diameter |
7/8 |
Application – Sample materials for dies
| General construction steels | |
|---|---|
| 1.0035 | S185 (St33) |
| 1.0036 | S235JRH |
| 1.0039 | S235JRG1+CR |
| 1.0060 | E335 (St60-2) |
| Free-cutting steels | |
|---|---|
| 1.0718 | 11SMnPb30 |
| 1.0721 | 10S20 |
| 1.0726 | 35S20 |
| 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) |
| Pure copper, low-alloyed copper | |
|---|---|
| 2.0240 | CuZn15 |
| 2.0265 | CuZn30 |
| Copper-tin alloy (bronze) short-chipping | |
|---|---|
| 2.1090.01 | G-CuSn7ZnPb |
| 2.1086.01 | G-CuSn10Zn |
| Plastics |
|---|
| PMMA |
| POM |
| PVC |
