Apex SF-18MM55 | Metric Hex | 6-Point | Thin Wall | Surface Drive | Extra-Long Length | 1/2" Square Drive | 18 mm Power Socket Transducer Switch Box SR Model Number: BH -

SR Model Number: BH - 12 mm

SR Model Number: BH - 21 mm

Overall Length (OAL): 30

For VERTICAL Fastening with Ingersoll-Rand QE4ST In-line DC Electric

Apex SF-18MM55 | Metric Hex | 6-Point | Thin Wall | Surface Drive | Extra-Long Length | 1/2" Square Drive | 18 mm Power Socket Transducer Switch Box SR Model Number: BH -Apex SF 18MM55 Metric Hex 6 Point Thin Wall Surface Drive Extra Long Length 1 2" Square Drive 18 mm Power Socket Tool Side Drive Size: 1 2" Square Drive Fastener Side Drive Size: 18 mm Hex Socket Overall Length (OAL): 3. 25" (82. 5mm) Features Impact Rated; Meets or Exceeds Proof Torque Requirement for Impact Standard ASME B107. 112 High Carbon Alloy Steel and Proprietary Heat Treat Process Yields Greater Strength and Longer Life Cutting edge