5/16 In Hex Drive Insert Bit for Phillips Screwdriver - #4 - Lisle

The Lisle 30190 5/16 In Hex Drive Insert Bit for Phillips Screwdriver - #4 is an essential component designed for professional automotive and industrial applications. Engineered to meet the demanding requirements of high-torque tasks, this insert bit delivers reliable performance and exceptional durability. It is built to withstand rigorous use in various power tools, ensuring efficient and precise fastening.

Key Features

• Impact Quality Construction: Manufactured to impact quality standards, this bit is specifically designed to handle the high torque and concussive forces generated by impact drivers, hand impact tools, ratchets, and air tools without shattering or premature wear.
• Heat Treated Alloy Steel: Constructed from heat-treated alloy steel, the bit offers an optimal balance of hardness for superior wear resistance and ductility to absorb impact, significantly extending its lifespan in professional environments.
• Precision #4 Phillips Tip: The accurately machined #4 Phillips head ensures a snug and secure fit, minimizing cam-out and preventing damage to both the fastener and the bit itself, crucial for maintaining efficiency and fastener integrity.
• 5/16 Inch Hex Drive: Features a robust 5/16 inch hex shank, providing universal compatibility with a wide range of impact drivers, power drills, and hand screwdrivers designed for insert bits.
• Corrosion Resistance: The bit features a black oxide finish, providing enhanced corrosion resistance to protect against rust and prolong the tool's performance in challenging shop conditions.

Applications

This versatile Lisle 30190 insert bit is ideal for professional technicians and mechanics tackling heavy-duty fastening and removal tasks. It is particularly effective for automotive work, including the removal of stubborn brake rotor screws. Beyond automotive, its robust design makes it suitable for demanding applications in construction, industrial maintenance, and general repair where larger #4 Phillips head fasteners are encountered. Its impact-grade design makes it a reliable choice for operations requiring significant torque transfer, such as woodworking and metalworking.

Specifications

• Manufacturer: Lisle
• Model Number: 30190
• Drive Size: 5/16 In Hex
• Screwdriver Head Type: Phillips
• Screwdriver Head Size: #4
• Material: Heat Treated Alloy Steel (S2 Steel)
• Finish: Black Oxide
• Length: 32mm