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- Each end shall be square with the axis of each arm within 4 deg, and edges may be sharp or chamfered at the option of the manufacturer. The chamfer shall not exceed the values listed.
- Any truncation or rounding of hexagon corners within the specified across-corner dimensions shall be evident on all corners.
- Material (Steel Alloy). Hexagon keys and bits shall be fabricated from an alloy steel having two or more of the following alloying elements: chromium, nickel, molybdenum, or vanadium, in sufficient quantity to assure that the specified minimum hardness of 48 HRC at the surface for sizes up to and including 3/8 in., and 45 HRC for sizes over 3/8 in., is met when hexagon keys and bits are hardened by quenching from the austenitizing temperature and tempered.
Unit of Measure
Specifications
Product |
N/A Socket Screws |
Unit of Measure |
N/A English |
Nominal Key or Bit and Socket Size (Decimal) |
N/A 0.028 in |
Max. Hexagon Width Across Flats (W) |
N/A 0.0280 in |
Min. Hexagon Width Across Flats (W) |
N/A 0.0275 in |
Max. Hexagon Width Across Corners (Y) |
N/A 0.0314 in |
Min. Hexagon Width Across Corners (Y) |
N/A 0.0300 in |
Max. Length (B) |
N/A 0.312 in |
Min. Length (B) |
N/A 0.125 in |
Max. Short Arm Series Length (C) |
N/A 1.312 in |
Min. Short Arm Series Length (C) |
N/A 1.125 in |
Max. Long Arm Series Length (C) |
N/A 2.688 in |
Min. Long Arm Series Length (C) |
N/A 2.500 in |
Min. Radius of Bend (R) |
N/A 0.062 in |
Max. Chamfer (K) |
N/A 0.003 in |
