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Description
Pull Stud Retention Knob For V-Flange Caterpillar Tooling
- Made from alloy steel with heat treatment and hardened to HRC 58.
- Each retention knob is individually magnetic particle tested to protect against cracking.
- All mating surfaces precision ground.
| Item | Style | A | D1 | D2 | D3 | D4 | L | L1 | L2 | Hole or Solid |
| CAT40, 5/8-11" Thread | ||||||||||
| 6780-0041 | A | 45° | 0.740" | 0.490" | 0.280" | 0.636" | 1.625" | 0.440" | 0.640" | Hole |
| 6780-0042 | A | 45° | 0.740" | 0.490" | N/A | 0.636" | 1.625" | 0.440" | 0.640" | Solid |
| 6780-1025 | C | 45° | 0.589" | 0.392" | N/A | 0.636" | 2.250" | 0.988" | 1.264" | Solid |
| 6780-1044 | C | 45° | 0.589" | 0.392" | 0.200" | 0.636" | 2.250" | 0.988" | 1.264" | Hole |
| CAT50, 1-8" Thread | ||||||||||
| 6780-0044 | A | 45° | 1.140" | 0.820" | 0.468" | N/A | 2.300" | 0.700" | 1.000" | Hole |
| 6780-0045 | A | 45° | 1.140" | 0.820" | N/A | N/A | 2.300" | 0.700" | 1.000" | Solid |
| 6780-1055 | B | 45° | 0.903" | 0.668" | N/A | N/A | 3.080" | 1.384" | 1.778" | Solid |
| 6780-1057 | C | 45° | 0.903" | 0.668" | 0.390" | 1.026" | 3.355" | 1.384" | 1.778" | Hole |
Diagram of Pull Stud Styles
Diagram of each pull stud, CLICK to view large images
Diagram of 6780-0041, CAT40, Style A, with Hole, 1.625" Overall Length
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Diagram of 6780-0042, CAT40, Style A, Solid, 1.625" Overall Length
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Diagram of 6780-1025, CAT40, Style C, Solid, 2.250" Overall Length
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Diagram of 6780-1044, CAT40, Style C, with Hole, 2.250" Overall Length
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Diagram of 6780-1055, CAT50, Style C, Solid, 3.080" Overall Length
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Diagram of 6780-1057, CAT50, Style C, with Hole, 3.355" Overall Length
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Diagram of the machines working with the pull studs
| Machine Builder | Taper | Item # |
| Daewoo | CAT40 | 6780-1025 |
| Daewoo | CAT50 | 6780-1055 |
| Fadal | CAT40 | 6780-0042 |
| Fadal | CAT40 Coolant | 6780-0041 |
| Fryer | CAT40 | 6780-1025 |
| Fryer | CAT40 Coolant | 6780-1044 |
| Fryer | CAT50 Coolant | 6780-1057 |
| Haas | CAT40 | 6780-1025 |
| Haas | CAT40 | 6780-1044 |
| Haas | CAT50 | 6780-1055 |
| Haas | CAT50 Coolant | 6780-1057 |
| Hurco | CAT40 | 6780-0042 |
| Hurco | CAT40 Coolant | 6780-0041 |
| Kia | CAT40 | 6780-1025 |
| Kitamura | CAT40 | 6780-1025 |
| Mazak | CAT40 | 6780-0042 |
| Mazak | CAT40 Coolant | 6780-0041 |
| Mazak | CAT50 | 6780-0045 |
| Mazak | CAT50 Coolant | 6780-0044 |
| Miyano | CAT40 | 6780-1025 |
| Miyano | CAT40 Coolant | 6780-1044 |
| OKK | CAT40 | 6780-1025 |
| OKK | CAT40 Coolant | 6780-1044 |
| Okuma & Howa | CAT40 | 6780-1025 |
| Okuma | CAT40 | 6780-0042 |
| Okuma | CAT40 Coolant | 6780-0041 |
| Roku-Roku | CAT40 | 6780-1025 |
| Sharp | CAT40 | 6780-1025 |
| Sharp | CAT40 Coolant | 6780-1044 |
| Toshiba | CAT40 | 6780-1025 |
| Toshiba | CAT50 | 6780-1055 |
| Toyoda | CAT40 | 6780-1025 |
| Toyoda | CAT50 Coolant | 6780-1057 |
| YCI | CAT40 | 6780-1025 |
| YCI | CAT50 | 6780-1055 |
