D | d2 | d3 | d4 | l2 | l1 | a |
2 | 1.9 | 2.86 | 3.15 | 48 | 68 | 2.5 |
2.5 | 2.4 | 3.36 | 3.15 | 48 | 68 | 2.5 |
3 | 2.9 | 4.06 | 4 | 58 | 80 | 3.15 |
4 | 3.9 | 6.26 | 5 | 68 | 93 | 4 |
5 | 4.9 | 6.36 | 6.3 | 73 | 100 | 5 |
6 | 5.9 | 8 | 8 | 105 | 135 | 6.3 |
8 | 7.9 | 10.8 | 10 | 145 | 180 | 8 |
10 | 9.9 | 13.4 | 12.5 | 175 | 215 | 10 |
11 | 10.8 | 14.7 | 12 | 195 | 240 | |
12 | 11.8 | 16 | 14 | 210 | 255 | 11.2 |
13 | 12.8 | 17 | 15 | 210 | 255 | 11.2 |
14 | 13.8 | 18 | 16 | 210 | 255 | 12.5 |
16 | 15.8 | 20.4 | 18 | 230 | 280 | 14 |
20 | 19.8 | 24.8 | 22.4 | 250 | 310 | 18 |
25 | 24.7 | 30.7 | 28 | 300 | 370 | 22.4 |
D | d2 | d3 | l2 | l1 | a |
1/8 | 2.29 | 3.23 | 44.5 | 69.9 | 2.5 |
5/32 | 2.95 | 4.01 | 50.8 | 76.2 | 3.15 |
3/16 | 3.5 | 4.95 | 69.9 | 101.6 | 4 |
1/4 | 4.64 | 6.43 | 85.7 | 117.5 | 5 |
5/16 | 5.84 | 8.03 | 104.8 | 142.9 | 6.3 |
3/8 | 7.03 | 9.68 | 127 | 165.1 | 8 |
7/16 | 8.21 | 11.25 | 146.1 | 190.5 | 9 |
1/2 | 9.41 | 12.85 | 165.1 | 209.6 | 10 |
9/16 | 10.93 | 14.5 | 171.5 | 215.9 | 11.2 |
5/8 | 12.11 | 16.08 | 190.5 | 235 | 12.5 |
3/4 | 14.67 | 19.3 | 222.3 | 273.1 | 16 |
7/8 | 17.45 | 22.48 | 241.3 | 204.8 | 18 |
1″ | 20.3 | 25.4 | 254 | 345 | 20 |
1.1/8 | 23.5 | 28.6 | 260 | 345 | 22.4 |
1.1/4 | 25.5 | 32 | 300 | 400 | 25 |
1.1/2 | 31.8 | 39 | 360 | 470 | 31.5 |
SOMTA Taper pin Reamers are manufactured from premium European high speed steel (HSS) for effective durability and cutting performance. The HSS material SOMTA Taper pin Reamers are used to produce a close tolerance surface finish in taper holes to allow the fitting of hardened and ground taper pins. SOMTA Parallel hand reamers are designed accordingly to international standards of DIN 9 and BS 328.