Boring Bar Holder– Form E1
![](http://calibertooling.com/cdn/shop/t/2/assets/boringbarholdersforme1.png?v=88930978464981374821591196628)
Internal Coolant Flow Inch sizes can be ordered online. For mm size please call to order.
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d1 | d2 in | d2 mm | d3 | d4 | d5 | d6 | h1 | h2 | L1 | L2 | L3 | L4 | L5 | Part Number |
20 | 5/8 | 16 | 48 | 12 | 3/8-16 | 50 | 23 | 23 | 67 | 54 | 18 | 15 | 35 | CNC86 51.2016 |
20 | 3/4 | 20 | 48 | 12 | 3/8-16 | 50 | 23 | 23 | 67 | 54 | 18 | 15 | 35 | CNC86 51.2020 |
20 | 1 | 25 | 48 | 17 | 3/8-16 | 50 | 23 | 23 | 71 | 59 | 18 | 17 | 40 | CNC86 51.2025 |
25 | 5/8 | 16 | 41 | 12 | 3/8-16 | 58 | 25 | 25 | 67 | 54 | 18 | 15 | 35 | CNC86 51.2516 |
25 | 3/4 | 20 | 44 | 12 | 3/8-16 | 58 | 25 | 25 | 67 | 54 | 18 | 15 | 35 | CNC86 51.2520 |
25 | 1 | 25 | 45 | 17 | 3/8-16 | 58 | 25 | 25 | 71 | 59 | 18 | 17 | 40 | CNC86 51.2525 |
25 | 1-1/4 | 32 | 50 | 24 | 1/2-13 | 60 | 25 | 25 | 80 | 63 | 22 | 15 | 38 | CNC86 51.2532 |
30 | 5/16 | 8 | 46 | 6 | 1/4-20 | 68 | 28 | 30 | 67 | 54 | 22 | 15 | 34 | CNC86 51.3008 |
30 | 1/2 | 12 | 46 | 10 | 1/4-20 | 68 | 28 | 30 | 67 | 54 | 22 | 15 | 34 | CNC86 51.3012 |
30 | 5/8 | 16 | 46 | 12 | 3/8-16 | 68 | 28 | 30 | 67 | 54 | 22 | 15 | 35 | CNC86 51.3016 |
30 | 3/4 | 20 | 50 | 12 | 3/8-16 | 68 | 28 | 30 | 67 | 54 | 22 | 15 | 35 | CNC86 51.3020 |
30 | 1 | 25 | 55 | 17 | 3/8-16 | 68 | 28 | 30 | 71 | 59 | 22 | 17 | 40 | CNC86 51.3025 |
30 | 1-1/4 | 32 | 62 | 24 | 3/8-16 | 68 | 28 | 30 | 75 | 63 | 22 | 20 | 44 | CNC86 51.3032 |
30 | 1-1/2 | 40 | 66 | 32 | 5/8-11 | 68 | 28 | 30 | 90 | 73 | 22 | 22 | 50 | CNC86 51.3040 |
40 | 5/8 | 16 | 54 | 12 | 3/8-16 | 83 | 32.5 | 67 | 54 | 22 | 15 | 35 | CNC86 51.4016 | |
40 | 3/4 | 20 | 54 | 12 | 3/8-16 | 83 | 32.5 | 67 | 54 | 22 | 15 | 35 | CNC86 51.4020 | |
40 | 1 | 25 | 63 | 17 | 3/8-16 | 83 | 32.5 | 75 | 59 | 22 | 17 | 40 | CNC86 51.4025 | |
40 | 1-1/4 | 32 | 69 | 24 | 3/8-16 | 83 | 32.5 | 75 | 63 | 22 | 20 | 44 | CNC86 51.4032 | |
40 | 1-1/2 | 40 | 76 | 32 | 5/8-11 | 83 | 32.5 | 90 | 73 | 22 | 22 | 54 | CNC86 51.4040 | |
40 | 1-3/4 | 45 | 83 | 40 | 5/8-11 | 83 | 32 | 100 | 83 | 24 | 60 | CNC86 51.4045 | ||
40 | 2 | 50 | 81 | 32 | 5/8-11 | 83 | 32.5 | 100 | 83 | 22 | 24 | 60 | CNC86 51.4050 | |
50 | 3/4 | 20 | 57 | 12 | 3/8-16 | 98 | 35 | 67 | 54 | 30 | 15 | 35 | CNC86 51.5020 | |
50 | 1 | 25 | 63 | 17 | 3/8-16 | 98 | 35 | 80 | 59 | 30 | 17 | 40 | CNC86 51.5025 | |
50 | 1-1/4 | 32 | 69 | 24 | 3/8-16 | 98 | 35 | 80 | 63 | 30 | 20 | 44 | CNC86 51.5032 | |
50 | 1-1/2 | 40 | 76 | 32 | 5/8-11 | 98 | 35 | 100 | 73 | 30 | 22 | 54 | CNC86 51.5040 | |
50 | 2 | 50 | 88 | 42 | 5/8-11 | 98 | 35 | 100 | 83 | 30 | 24 | 60 | CNC86 51.5050 | |
60 | 3/4 | 20 | 57 | 12 | 3/8-16 | 123 | 42.5 | 80 | 54 | 30 | 15 | 35 | CNC86 51.6020 | |
60 | 1 | 25 | 63 | 17 | 3/8-16 | 123 | 42.5 | 80 | 59 | 30 | 17 | 40 | CNC86 51.6025 | |
60 | 1-1/4 | 32 | 69 | 24 | 3/8-16 | 123 | 42.5 | 80 | 63 | 30 | 20 | 44 | CNC86 51.6032 | |
60 | 1-1/2 | 40 | 76 | 32 | 5/8-11 | 123 | 42.5 | 100 | 73 | 30 | 22 | 54 | CNC86 51.6040 | |
60 | 1-3/4 | 45 | 83 | 40 | 5/8-11 | 123 | 42 | 100 | 83 | 30 | 22 | 54 | CNC86 51.6045 | |
60 | 2 | 50 | 89 | 40 | 5/8-11 | 123 | 42.5 | 100 | 83 | 30 | 24 | 60 | CNC86 51.6050 | |
60 | 2-1/2 | 65 | 89 | 40 | 5/8-18 | 123 | 42 | 100 | 83 | 30 | 22 | 54 | CNC86 51.6065 | |
80 | 3/4 | 20 | 57 | 12 | 3/8-16 | 158 | 55 | 80 | 54 | 40 | 15 | 35 | CNC86 51.8020 | |
80 | 1 | 25 | 63 | 17 | 3/8-16 | 158 | 55 | 80 | 59 | 40 | 17 | 40 | CNC86 51.8025 | |
80 | 1-1/4 | 32 | 69 | 24 | 3/8-16 | 158 | 55 | 80 | 63 | 40 | 20 | 44 | CNC86 51.8032 | |
80 | 1-1/2 | 40 | 76 | 32 | 1/2-13 | 158 | 55 | 100 | 73 | 40 | 22 | 54 | CNC86 51.8040 | |
80 | 2 | 50 | 88 | 42 | 1/2-13 | 158 | 55 | 100 | 83 | 40 | 24 | 60 | CNC86 51.8050 |