Impact Hex Bit Socket
1/4″ – 1-1/2″ Sq. Dr.
HEMS Impact Hex Bit Sockets are engineered for high-torque fastening applications, delivering exceptional strength, durability, and precise fitment. Manufactured from premium-grade alloy steel, they provide reliable performance for heavy equipment maintenance, mining, construction, and industrial repair operations.
- Premium-Grade Alloy Steel
- Exceptional Strength & Durability
- Precise Fitment
- For High-Torque Fastening
Available in 6 square-drive sizes from 1/4″ to 1-1/2″, covering hex bit sizes from 3 mm to 50 mm A/F. Select a drive size in the Specifications section to see its full dimension table.
For complete specification please contact [email protected]
Technical Data
Specifications
Technical Specs
| SAE Part No. | A/F (inch) | Metric Part No. | A/F (mm) | Approx. OAL (mm) | Hex Bit Length (mm) |
|---|---|---|---|---|---|
| HEL-110 | 1/8″ | HIM-103 | 3 | 41 | 15 |
| HEL-111 | 5/32″ | HIM-104 | 4 | 42 | 15 |
| HEL-112 | 3/16″ | HIM-105 | 5 | 43 | 20 |
| HEL-113 | 7/32″ | – | – | 44 | 20 |
| HEL-114 | 1/4″ | HIM-106 | 6 | 45 | 25 |
| SAE Part No. | A/F (inch) | Metric Part No. | A/F (mm) | Approx. OAL (mm) | Hex Bit Length (mm) |
|---|---|---|---|---|---|
| HEL-210 | 1/8″ | HIM-203 | 3 | 44 | 15 |
| HEL-211 | 5/32″ | HIM-204 | 4 | 44 | 15 |
| HEL-212 | 3/16″ | HIM-205 | 5 | 47 | 20 |
| HEL-213 | 7/32″ | – | – | 49 | 20 |
| HEL-214 | 1/4″ | HIM-206 | 6 | 49 | 20 |
| HEL-216 | 5/16″ | HIM-208 | 8 | 49 | 25 |
| HEL-218 | 3/8″ | HIM-210 | 10 | 50 | 25 |
| SAE Part No. | A/F (inch) | Metric Part No. | A/F (mm) | Approx. OAL (mm) | Hex Bit Length (mm) |
|---|---|---|---|---|---|
| HEI-314 | 1/4″ | HIM-306 | 6 | 53 | 20 |
| HEI-316 | 5/16″ | HIM-308 | 8 | 53 | 25 |
| HEI-318 | 3/8″ | HIM-310 | 10 | 57 | 25 |
| HEI-320 | 1/2″ | HIM-312 | 12 | 63 | 30 |
| HEI-321 | 9/16″ | HIM-314 | 14 | 63 | 30 |
| HEI-323 | 5/8″ | HIM-317 | 17 | 73 | 40 |
| SAE Part No. | A/F (inch) | Metric Part No. | A/F (mm) | Approx. OAL (mm) | Hex Bit Length (mm) |
|---|---|---|---|---|---|
| HEI-420 | 1/2″ | HIM-412 | 12 | 80 | 30 |
| HEI-421 | 9/16″ | HIM-414 | 14 | 80 | 30 |
| HEI-423 | 5/8″ | HIM-417 | 17 | 90 | 40 |
| 425 | 3/4″ | HIM-419 | 19 | 95 | 40 |
| HEI-428 | 7/8″ | HIM-422 | 22 | 95 | 45 |
| – | – | HIM-424 | 24 | 100 | 50 |
| SAE Part No. | A/F (inch) | Metric Part No. | A/F (mm) | Approx. OAL (mm) | Hex Bit Length (mm) |
|---|---|---|---|---|---|
| HEI-518 | 3/8″ | – | – | 81 | 26 |
| HEI-520 | 1/2″ | – | – | 84 | 30 |
| HEI-521 | 9/16″ | – | – | 86 | 30 |
| HEI-523 | 5/8″ | – | – | 98 | 40 |
| – | – | HIM-517 | 17 | 100 | 40 |
| HEI-525 | 3/4″ | HIM-519 | 19 | 107 | 45 |
| HEI-528 | 7/8″ | HIM-522 | 22 | 112 | 45 |
| HEI-529 | 15/16″ | HIM-524 | 24 | 120 | 50 |
| HEI-530 | 1″ | – | – | 120 | 50 |
| HEI-531 | 1.1/16″ | HIM-527 | 27 | 120 | 50 |
| – | – | HIM-530 | 30 | 120 | 50 |
| HEI-532 | 1.1/8″ | – | – | 120 | 50 |
| – | – | HIM-532 | 32 | 120 | 50 |
| – | – | HIM-536 | 36 | 120 | 50 |
| SAE Part No. | A/F (inch) | Metric Part No. | A/F (mm) | Approx. OAL (mm) | Hex Bit Length (mm) |
|---|---|---|---|---|---|
| HEI-630 | 1″ | – | – | 140 | 50 |
| HEI-631 | 1.1/16″ | – | – | 140 | 50 |
| HEI-632 | 1.1/8″ | HIM-630 | 30 | 140 | 50 |
| HEI-634 | 1.1/4″ | HIM-632 | 32 | 140 | 50 |
| – | – | HIM-636 | 36 | 145 | 55 |
| HEI-638 | 1.1/2″ | – | – | 145 | 55 |
| – | – | HIM-641 | 41 | 160 | 60 |
| HEI-641 | 1.3/4″ | – | – | 170 | 70 |
| – | – | HIM-646 | 46 | 170 | 70 |
| HEI-645 | 2″ | HIM-650 | 50 | 170 | 70 |
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