Model NO.: 3/16*5/8 Type: Round Head Connection: Common Bolt Standard: DIN, GB, ANSI, BSW, JIS Finish: RoHS Zinc and Remove Hydrogen Embrittlement Head Type: Hex with Torx or Socket Drive Bit: Torx or Philips Specification: DIN, ANSI, JIS, GB HS Code: 73181590 Material: High Strength Steel Groove: Philips or Torx Head...