Home / Proto / Proto J4990-8M 3/8" Hex Bit Socket - 8 mm

Proto J4990-8M 3/8" Hex Bit Socket - 8 mm

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  • Detail

    Proto J4990-8M Includes

    • (1) 3/8" HEX BIT SOCKET - 8 MM

    Proto J4990-8M Features

    • Made using a heat treated alloy for wear-resistance which helps minimize distortion for a long life.
    • Hex opening holds the bit allowing the bit holder to take the torque load.

    Proto J4990-8M Specifications

    SIZE 8 mm
    BIT LENGTH 1-5/8"
    OVERALL LENGTH 2-23/32"
    WEIGHT 0.13 lbs
    DRIVE SIZE 3/8"
    FINISH Full Polish
    LENGTH TYPE Standard
    UNIT OF MEASURE Metric
    TIPS Hex
    SPECIFICATION AS SAE AS4984A
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