• 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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