• Manganese phosphate coating to resist corrosion • High visibility laser etched markings • Chrome Molybdenum alloy steel (Cr-Mo) for exceptional strength and durability • Surface drive™ technology reduces fastener rounding • Meets or exceeds ASME B107.2 • SAE/Metric/Torx Metric • ASME Specification B107.33 • Fastener Size 4 mm • Drive Type Hex • Drive Tang Size 3/8 in • Length Format Standard • Dim. A: Drive End 0.83 in • Dim. C: Overall Length 1.97 in • Dim. B: Nose Diameter 0.16 in • Dim. D: Bit Length 0.18 in • Dim. E: Length to Shoulder 0.57 in
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