Solid Drilling is a deep hole drilling process used when only one operation is desired to obtain the required bore diameter. Solid Drilling tools remove all the material from the bore in just one pass. Additionally due to the quality of the bore finish the majority of operations require no additional machining to 'clean up' the bore. Solid Drilling is ideal for bore diameters ranging from 0.500" to 10.500" in diameter assuming the drilling machine has enough power.
Our standard indexable solid drilling tools are our most popular product since they can be used to replace conventional drills such as spade drills, twist drills and gun drills. Our solid drilling tools may be used with either the single tube (BTA/STS) or double tube deep hole drilling systems.
American Heller Corporation has a standard line of indexable solid drilling tools for common drilling applications. However, we also sell an alternate style of Unidex drills as well as replaceable or brazed drills.
General Information
American Heller's solid drilling tools can be designed to use either the BTA/STS or DTS drilling systems. For more information on the differences between the BTA/STS and DTS systems please refer to our Drilling Information Page . Our solid drilling tools use indexable spare parts that are interchangeable with our other deep hole drilling products. Additionally our solid drilling tools may be threaded for our standard internal thread, a four-start OD thread or a customer supplied thread. The figure below illustrates a BTA/STS style solid drilling tool where coolant and chip removal is through the ID of the drilling bar.
The following tables depict our standard lines of indexable solid drilling tools. The first table consists of tool sizes ranging from 0.562" - 1.970". These tools consist of either 1 or 2 cutters (click here for a parts diagram). The second table consists of tool sizes ranging from 1.644"-6.196". These tools conist of 3 to 5 cutters (click here for a parts diagram).
| .562-.610 |
CN |
11SB |
FL-2 |
M2.5x3 |
M2.5x3 |
| .611-.625 |
EN |
| .626-.650 |
14SB |
| .651-.718 |
GN |
| .719-.812 |
P |
16SB |
FL-4 |
M4x6 |
6-32x1/4† |
| .813-.893 |
1 |
18SB |
| .894-.937 |
2 |
| .938-.984 |
20SB |
M5x9 |
| .985-1.090 |
3 |
FL-6 |
8-32x1/4 |
| 1.091-1.181 |
4 |
23SB |
| 1.182-1.256 |
5MR |
| 1.257-1.338 |
6 |
| 1.339-1.375 |
7MR |
| 1.376-1.456 |
16SB,6T |
M4x6* |
| 1.457-1.472 |
FL-8 |
| 1.473-1.592 |
8 |
18SB,6T |
| 1.593-1.653 |
20SB,6T |
M5x9* |
| 1.654-1.718 |
9 |
| 1.719-1.732 |
23SB,6T |
| 1.733-1.850 |
10 |
| 1.851-1.970 |
11A |
|
| 1.644-1.652 |
8 |
11A,11VS,11ZS |
11A,11S(2) |
FL-8 |
| 1.653-1.732 |
9 |
| 1.733-1.831 |
10 |
| 1.832-1.843 |
10 |
11A,11VS,16Z |
11A,11S,16 |
| 1.844-2.044 |
11A |
| 2.045-2.071 |
11A |
11A,16V,16Z |
11A,16(2) |
| 2.072-2.196 |
12 |
| 2.197-2.297 |
13 |
| 2.298-2.446 |
13 |
16A,16V,16Z |
16A,16(2) |
FL-10 |
| 2.447-2.526 |
14 |
| 2.527-2.696 |
14 |
16A,16V,20Z |
16A,16,20 |
FL-14 |
| 2.697-2.742 |
15 |
| 2.743-2.823 |
15 |
20A,20V,16Z |
20A,20,16 |
| 2.824-2.969 |
15 |
20A,20V,20Z |
20A,20(2) |
| 2.970-3.219 |
16C |
| 3.220-3.516 |
17A |
23A,20V,23Z |
23A,20,23 |
| 3.517-3.726 |
18A |
| 3.727-3.860 |
18A |
23A,23V,23Z |
23A,23(2) |
| 3.861-3.962 |
19 |
| 3.963-4.246 |
19 |
16A,16V(3),16Z |
16A,16(4) |
| 4.247-4.422 |
19 |
16A,16V(3),20Z |
16A,16(3),20 |
| 4.423-4.500 |
20 |
| 4.501-4.720 |
20 |
20A,16V(2),20V,20Z |
20A,16,20(3) |
FL-18 |
| 4.721-4.891 |
20 |
20A,16V(2),20V,20Z |
20A,16(2),20(2) |
| 4.892-4.988 |
21 |
| 4.989-5.232 |
21 |
20A,16V,20V(2),20Z |
20A,16,20(3) |
| 5.233-5.360 |
21 |
20A,20V(3),20Z |
20A,20(4) |
| 5.361-5.450 |
22 |
| 5.451-5.702 |
22 |
20A,20V(3),23Z |
20A,20(3),23 |
| 5.703-5.891 |
22 |
23A,20V(3),23Z |
23A,20(3),23 |
| 5.892-5.960 |
23 |
| 5.961-6.196 |
23 |
23A,20V(2),23V,23Z |
23A,20(2),23(2) |
Other sizes quoted on request.
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