| A Nominal Dia. | Black Oxide Part No. | Plain Steel Part No. | Zinc Plate Part No. | B OD | C Width | Set Screw |
|---|---|---|---|---|---|---|
| 1/8 | ASC-12-BO | ASC-12-SU | ASC-12-SP | 3/8 | 1/4 | 6-32×1/8 |
| 3/16 | ASC-18-BO | ASC-18-SU | ASC-18-SP | 7/16 | 1/4 | 8-32×1/8 |
| 1/4 | ASC-25-BO | ASC-25-SU | ASC-25-SP | 1/2 | 9/32 | 10-32×1/8 |
| 5/16 | ASC-31-BO | ASC-31-SU | ASC-31-SP | 5/8 | 5/16 | 10-32×3/16 |
| 3/8 | ASC-37-BO | ASC-37-SU | ASC-37-SP | 3/8 | 3/8 | 1/4-20×3/16 |
| 7/16 | ASC-43-BO | ASC-43-SU | ASC-43-SP | 7/16 | 7/16 | 1/4-20×1/4 |
| 1/2 | ASC-50-BO | ASC-50-SU | ASC-50-SP | 1 | 7/16 | 1/4-20×1/4 |
| 9/16 | ASC-56-BO | ASC-56-SU | ASC-56-SP | 1 | 7/16 | 1/4-20×1/4 |
| 5/8 | ASC-62-BO | ASC-62-SU | ASC-62-SP | 1-1/8 | 1/2 | 5/16-18×1/4 |
| 11/16 | ASC-68-BO | ASC-68-SU | ASC-68-SP | 1-1/4 | 9/16 | 5/16-18×1/4 |
| 3/4 | ASC-75-BO | ASC-75-SU | ASC-75-SP | 1-1/4 | 9/16 | 5/16-18×1/4 |
| 13/16 | ASC-81-BO | ASC-81-SU | ASC-81-SP | 1-1/2 | 9/16 | 5/16-18×1/4 |
| 7/8 | ASC-87-BO | ASC-87-SU | ASC-87-SP | 1-1/2 | 9/16 | 5/16-18×5/16 |
| 15/16 | ASC-93-BO | ASC-93-SU | ASC-93-SP | 1-5/8 | 9/16 | 5/16-18×5/16 |
| 1 | ASC-100-BO | ASC-100-SU | ASC-100-SP | 1-5/8 | 5/8 | 5/16-18×5/16 |
| 1-1/16 | ASC-106-BO | ASC-106-SU | ASC-106-SP | 1-3/4 | 5/8 | 5/16-18×5/16 |
| 1-1/8 | ASC-112-BO | ASC-112-SU | ASC-112-SP | 1-3/4 | 5/8 | 5/16-18×5/16 |
| 1-3/16 | ASC-118-BO | ASC-116-SU | ASC-116-SP | 2 | 11/16 | 3/8-16×3/8 |
| 1-1/4 | ASC-125-BO | ASC-125-SU | ASC-125-SP | 2 | 11/16 | 3/8-16×3/8 |
| 1-5/16 | ASC-131-BO | ASC-125-SU | ASC-131-SP | 2-1/8 | 11/16 | 3/8-16×3/8 |
| 1-3/8 | ASC-137-BO | ASC-137-SU | ASC-137-SU | 2-1/8 | 3/4 | 3/8-16×3/8 |
| 1-7/16 | ASC-143-BO | ASC-143-SU | ASC-143-SP | 2-1/4 | 3/4 | 3/8-16×3/8 |
| 1-1/2 | ASC-150-BO | ASC-150-SU | ASC-150-SP | 2-1/4 | 3/4 | 3/8-16×3/8 |
| 1-9/16 | ASC-156-BO | ASC-156-SU | ASC-156-SP | 2-1/2 | 13/16 | 3/8-16×3/8 |
| 1-5/8 | ASC-162-BO | ASC-162-SU | ASC-162-SP | 2-1/2 | 13/16 | 3/8-16×3/8 |
| 1-11/16 | ASC-168-BO | ASC-168-SU | ASC-168-SP | 2-1/2 | 13/16 | 3/8-16×3/8 |
| 1-3/4 | ASC-175-BO | ASC-175-SU | ASC-175-SP | 2-3/4 | 7/8 | 1/2-13×1/2 |
| 1-13/16 | ASC-181-BO | ASC-181-SU | ASC-181-SP | 2-3/4 | 7/8 | 1/2-13×1/2 |
| 1-7/8 | ASC-187-BO | ASC-187-SU | ASC-187-SP | 2-3/4 | 7/8 | 1/2-13×1/2 |
| 1-15/16 | ASC-193-BO | ASC-193-SU | ASC-193-SP | 3 | 7/8 | 1/2-13×1/2 |
| 2 | ASC-200-BO | ASC-200-SU | ASC-200-SP | 3 | 7/8 | 1/2-13×1/2 |
| 2-1/16 | ASC-206-BO | ASC-206-SU | ASC-206-SP | 3 | 7/8 | 1/2-13×1/2 |
| 2-1/8 | ASC-212-BO | ASC-212-SU | ASC-212-SP | 3 | 7/8 | 1/2-13×1/2 |
| 2-3/16 | ASC-218-BO | ASC-218-SU | ASC-218-SP | 3-1/4 | 15/16 | 1/2-13×1/2 |
| 2-1/4 | ASC-225-BO | ASC-225-SU | ASC-225-SP | 3-1/4 | 15/16 | 1/2-13×1/2 |
| 2-5/16 | ASC-231-BO | ASC-231-SU | ASC-231-SP | 3-1/4 | 15/16 | 1/2-13×1/2 |
| 2-3/8 | ASC-237-BO | ASC-237-SU | ASC-237-SP | 3-1/4 | 15/16 | 1/2-13×1/2 |
| 2-7/16 | ASC-243-BO | ASC-243-SU | ASC-243-SP | 3-1/2 | 1 | 1/2-13×1/2 |
| 2-1/2 | ASC-250-BO | ASC-250-SU | ASC-250-SP | 3-1/2 | 1 | 1/2-13×1/2 |
| 2-9/16 | ASC-256-BO | ASC-256-SU | ASC-256-SP | 3-3/4 | 1-1/8 | 1/2-13×1/2 |
| 2-5/8 | ASC-262-BO | ASC-262-SU | ASC-262-SP | 3-3/4 | 1-1/8 | 1/2-13×9/16 |
| 2-11/16 | ASC-268-BO | ASC-268-SU | ASC-268-SP | 4 | 1-1/8 | 1/2-13×5/8 |
| 2-3/4 | ASC-275-BO | ASC-275-SU | ASC-275-SP | 4 | 1-1/8 | 1/2-13×1/2 |
| 2-13/16 | ASC-281-BO | ASC-281-SU | ASC-281-SP | 4-1/4 | 1-1/8 | 1/2-13×1/2 |
| 2-7/8 | ASC-287-BO | ASC-287-SU | ASC-287-SP | 4-1/4 | 1-1/8 | 1/2-13×1/2 |
| 2-15/16 | ASC-293-BO | ASC-293-SU | ASC-293-SP | 4-1/4 | 1-1/8 | 1/2-13×1/2 |
| 3 | ASC-300-BO | ASC-300-SU | ASC-300-SP | 4-1/4 | 1-1/8 | 1/2-13×1/2 |
| 3-1/8 | ASC-312-BO | ASC-312-SU | ASC-312-SP | 4-1/4 | 1-1/8 | 1/2-13×1/2 |
| 3-3/16 | ASC-318-BO | ASC-318-SU | ASC-318-SP | 4-1/4 | 1-1/8 | 1/2-13×1/2 |
| 3-1/4 | ASC-325-BO | ASC-325-SU | ASC-325-SP | 4-1/4 | 1-1/8 | 1/2-13×1/2 |
| 3-3/8 | ASC-337-BO | ASC-337-SU | ASC-337-SP | 4-1/4 | 1-1/8 | 1/2-13×1/2 |
| 3-7/16 | ASC-343-BO | ASC-343-SU | ASC-343-SP | 4-1/2 | 4-1/2 | 1/2-13×1/2 |
| 3-1/2 | ASC-350-BO | ASC-350-SU | ASC-350-SP | 4-1/2 | 4-1/2 | 1/2-13×1/2 |
| 3-15/16 | ASC-393-BO | ASC-393-SU | ASC-393-SP | 5 | 1-1/8 | 1/2-13×1/2 |
| 4 | ASC-400-BO | ASC-400-SU | ASC-400-SP | 5 | 1-1/8 | 1/2-13×1/2 |
| 4-7/16 | ASC-443-BO | ASC-443-SU | ASC-443-SP | 6-3/16 | 1-3/8 | 5/8-11×7/8 |
| 4-1/2 | ASC-450-BO | ASC-450-SU | ASC-450-SP | 6-3/16 | 1-3/8 | 5/8-11×7/8 |
| 4-15/16 | ASC-493-BO | ASC-493-SU | ASC-493-SP | 6-1/2 | 1-3/8 | 5/8-11×7/8 |