3/8"DR. Impact Star Bit Socket, Impact Star Bit Socket
- Tien-i Impact Bit Sockets have various lengths and come in three main types: Star, Hex, and Triple Square.
- Forged from the finest Nickel Chromium Molybdenum Steel (SNCM / AISI 8660) to extend the life of fasteners.
- From popular to rare sizes available for selection to create an ideal set for your market
- Tien-i Impact Bit Socket Made in Taiwan with a corrosion-resistant black
phosphate finish (MANGANIC PHOSPHATE FINISH)
- Complete Sizes for SAE and Metric system
- High-contrast permanent laser etched size markings are easy-to-read, even in low light
- Tien-i Impact Bit Socket meets or exceeds ANSI & DIN & ISO performance standards
To know more: Differences between DIN and ANSI Specifications for Impact Sockets
Spec Size Chart
3/8"DR. STAR BIT IMPACT SOCKET (52L)
| Item No. | S | L (mm) | I (mm) | D (mm) | (g) |
|---|---|---|---|---|---|
| EIMB3T15 | T15 | 52 | 2.5 | 19 | 32 |
| EIMB3T20 | T20 | 52 | 2.6 | 19 | 33 |
| EIMB3T25 | T25 | 52 | 2.8 | 19 | 34 |
| EIMB3T27 | T27 | 52 | 3.1 | 19 | 35 |
| EIMB3T30 | T30 | 52 | 3.4 | 19 | 37 |
| EIMB3T40 | T40 | 52 | 3.7 | 19 | 40 |
| EIMB3T45 | T45 | 52 | 4 | 19 | 43 |
| EIMB3T50 | T50 | 52 | 4.8 | 19 | 46 |
| EIMB3T55 | T55 | 52 | 5.4 | 19 | 54 |
3/8"DR. STAR BIT IMPACT SOCKET (100L)
| Item No. | S | L (mm) | I (mm) | D (mm) | (g) |
|---|---|---|---|---|---|
| EILB3T15 | T15 | 100 | 2.5 | 19 | 49.5 |
| EILB3T20 | T20 | 100 | 2.6 | 19 | 50 |
| EILB3T25 | T25 | 100 | 2.8 | 19 | 50 |
| EILB3T27 | T27 | 100 | 3.1 | 19 | 50 |
| EILB3T30 | T30 | 100 | 3.4 | 19 | 50.5 |
| EILB3T40 | T40 | 100 | 3.7 | 19 | 54 |
| EILB3T45 | T45 | 100 | 4 | 19 | 62 |
| EILB3T50 | T50 | 100 | 4.8 | 19 | 70.5 |
| EILB3T55 | T55 | 100 | 5.4 | 19 | 95 |
3/8"DR. STAR BIT IMPACT SOCKET (120L)
| Item No. | S | L (mm) | I (mm) | D (mm) | (g) |
|---|---|---|---|---|---|
| EILBA3T15 | T15 | 120 | 2.5 | 19 | 58 |
| EILBA3T20 | T20 | 120 | 2.6 | 19 | 58 |
| EILBA3T25 | T25 | 120 | 2.8 | 19 | 58 |
| EILBA3T27 | T27 | 120 | 3.1 | 19 | 58 |
| EILBA3T30 | T30 | 120 | 3.4 | 19 | 58 |
| EILBA3T40 | T40 | 120 | 3.7 | 19 | 63 |
| EILBA3T45 | T45 | 120 | 4 | 19 | 72.5 |
| EILBA3T50 | T50 | 120 | 4.8 | 19 | 83 |
| EILBA3T55 | T55 | 120 | 5.4 | 19 | 113.5 |
Product Detail
High Torque Strength
Meets at least 1.2 times the ANSI test torque standard. Verified by a single cycle test in which torque is applied up to a specified value without failure or permanent deformation.
Standard
Each member of our quality control team has undergone SGS training to ensure that every Tlen-I product satisfies DIN, ISO and ANSI/ASTM international standards. Seeing is believing. We would like to invite you to visit our factory and meet our quality control team.
Laser & Stamped Marking
Marked with the size in 2 way - visible laser mark and permanent stamp mark.
Fully Stepped Shoulders
Fully stepped shoulders allows better access to tight cavities.
Full-Length Socket Well
The inner shaft extends well into the base for better fastener engagement.
Material Quality
Tien-I is a member of China Steel Corporation (CSC), the leading steel company in Taiwan.



