Single Split Collars

For greater axial holding power, and with minimal distortion on the shaft, these clamping collars are available with relief cut in most sizes. These one piece collars can be re-bored to special and/or close metric dimensions.
Available Bore Sizes: 1/8" through 6"
Available Finishes: Stainless Steel and Black Oxide Finish
| Black Oxide | Stainless | Bore I.D. | O.D. | Width In. | Socket Heads |
|---|---|---|---|---|---|
| S1-012-BLA | S1-012-SSA | 1/8 | 1/2 | 1/4 | 4-40 |
| S1-018-BLA | S1-018-SSA | 3/16 | 5/8 | 5/16 | 4-40 |
| S1-025-BLA | S1-025-SSA | 1/4 | 11/16 | 5/16 | 4-40 |
| S1-031-BLA | S1-031-SSA | 5/16 | 11/16 | 5/16 | 4-40 |
| S1-037-BLA | S1-037-SSA | 3/8 | 7/8 | 11/32 | 6-32 |
| S1-043-BLA | S1-043-SSA | 7/16 | 15/16 | 3/8 | 6-32 |
| S1-050-BLA | S1-050-SSA | 1/2 | 1-1/8 | 13/32 | 8-32 |
| S1-056-BLA | S1-056-SSA | 9/16 | 1-1/4 | 7/16 | 10-32 |
| S1-062-BLA | S1-062-SSA | 5/8 | 1-5/16 | 7/16 | 10-32 |
| S1-068-BLA | S1-068-SSA | 11/16 | 1-3/8 | 7/16 | 10-32 |
| S1-075-BLA | S1-075-SSA | 3/4 | 1-1/2 | 1/2 | 1/4-28 |
| S1-081-BLA | S1-081-SSA | 13/16 | 1-5/8 | 1/2 | 1/4-28 |
| S1-087-BLA | S1-087-SSA | 7/8 | 1-5/8 | 1/2 | 1/4-28 |
| S1-093-BLA | S1-093-SSA | 15/16 | 1-3/4 | 1/2 | 1/4-28 |
| S1-100-BLA | S1-100-SSA | 1 | 1-3/4 | 1/2 | 1/4-28 |
| S1-106-BLA | S1-106-SSA | 1-1/16 | 1-7/8 | 1/2 | 1/4-28 |
| S1-112-BLA | S1-112-SSA | 1-1/8 | 1-7/8 | 1/2 | 1/4-28 |
| S1-118-BLA | S1-118-SSA | 1-3/16 | 2-1/16 | 1/2 | 1/4-28 |
| S1-125-BLA | S1-125-SSA | 1-1/4 | 2-1/16 | 1/2 | 1/4-28 |
| S1-131-BLA | S1-131-SSA | 1-5/16 | 2-1/8 | 9/16 | 1/4-28 |
| S1-137-BLA | S1-137-SSA | 1-3/8 | 2-1/4 | 9/16 | 1/4-28 |
| S1-143-BLA | S1-143-SSA | 1-7/16 | 2-1/4 | 9/16 | 1/4-28 |
| S1-150-BLA | S1-150-SSA | 1-1/2 | 2-3/8 | 9/16 | 1/4-28 |
| S1-156-BLA | S1-156-SSA | 1-9/16 | 2-3/8 | 9/16 | 1/4-28 |
| S1-162-BLA | S1-162-SSA | 1-5/8 | 2-5/8 | 11/16 | 5/16-24 |
| S1-168-BLA | S1-168-SSA | 1-11/16 | 2-3/4 | 11/16 | 5/16-24 |
| S1-175-BLA | S1-175-SSA | 1-3/4 | 2-3/4 | 11/16 | 5/16-24 |
| S1-181-BLA | S1-181-SSA | 1-13/16 | 2-7/8 | 11/16 | 5/16-24 |
| S1-187-BLA | S1-187-SSA | 1-7/8 | 2-7/8 | 11/16 | 5/16-24 |
| S1-193-BLA | S1-193-SSA | 1-15/16 | 3 | 11/16 | 5/16-24 |
| Black Oxide | Stainless | Bore I.D. | O.D. | Width In. | Socket Heads |
| S1-200-BLA | S1-200-SSA | 2 | 3 | 11/16 | 5/16-24 |
| S1-212-BLA | S1-212-SSA | 2-1/8 | 3-1/4 | 3/4 | 5/16-24 |
| S1-218-BLA | S1-218-SSA | 2-3/16 | 3-1/4 | 3/4 | 5/16-24 |
| S1-225-BLA | S1-225-SSA | 2-1/4 | 3-1/4 | 3/4 | 5/16-24 |
| S1-231-BLA | S1-231-SSA | 2-5/16 | 3-3/8 | 3/4 | 5/16-24 |
| S1-237-BLA | S1-237-SSA | 2-3/8 | 3-1/2 | 3/4 | 5/16-24 |
| S1-243-BLA | S1-243-SSA | 2-7/16 | 3-1/2 | 3/4 | 5/16-24 |
| S1-250-BLA | S1-250-SSA | 2-1/2 | 3-3/4 | 7/8 | 3/8-24 |
| S1-256-BLA | S1-256-SSA | 2-9/16 | 3-7/8 | 7/8 | 3/8-24 |
| S1-262-BLA | S1-262-SSA | 2-5/8 | 3-7/8 | 7/8 | 3/8-24 |
| S1-268-BLA | S1-268-SSA | 2-11/16 | 4 | 7/8 | 3/8-24 |
| S1-275-BLA | S1-275-SSA | 2-3/4 | 4 | 7/8 | 3/8-24 |
| S1-281-BLA | S1-281-SSA | 2-13/16 | 4-1/4 | 7/8 | 3/8-24 |
| S1-287-BLA | S1-287-SSA | 2-7/8 | 4-1/4 | 7/8 | 3/8-24 |
| S1-293-BLA | S1-293-SSA | 2-15/16 | 4-1/4 | 7/8 | 3/8-24 |
| S1-300-BLA | S1-300-SSA | 3 | 4-1/4 | 7/8 | 3/8-24 |
| S1-318-BLA | S1-318-SSA | 3-3/16 | 4-1/2 | 7/8 | 3/8-24 |
| S1-343-BLA | S1-343-SSA | 3-7/16 | 4-3/4 | 7/8 | 3/8-24 |
| S1-350-BLA | S1-350-SSA | 3-1/2 | 4-3/4 | 7/8 | 3/8-24 |
| S1-393-BLA | S1-393-SSA | 3-15/16 | 5-1/4 | 7/8 | 3/8-24 |
| S1-400-BLA | S1-400-SSA | 4 | 5-1/4 | 7/8 | 3/8-24 |
| S1-475-BLA | S1-475-SSA | 4-3/4 | 6 | 7/8 | 3/8-24 |
| S1-500-BLA | S1-500-SSA | 5 | 6-1/4 | 7/8 | 3/8-24 |
| S1-600-BLA | S1-600-SSA | 6 | 7-1/4 | 7/8 | 3/8-24 |