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The ROBERT BOSCH TOOL GROUP ITT40201 is a Torx 40 impact power bit engineered for use with high-torque impact drivers. At 2 inches in length, this bit is built around an X-Tended Torsion Zone that flexes under load to absorb the rotational shock generated by modern impact drivers. Heat-treated steel construction increases durability against repeated high-torque cycling. The high-visibility sleeve features laser-etched markings for quick identification in a tool bag or on the job site. Each package contains 5 bits, making it a practical stock item for electricians, HVAC technicians, plumbers, and general trade professionals who drive Torx fasteners regularly.
This bit is suited for residential and commercial applications where T40 Torx fasteners are common, including equipment panels, electrical enclosures, ductwork components, and mechanical assemblies. The 2-inch length is a standard fit for most impact drivers and hex-shank bit holders. The 5-pack quantity supports ongoing production work or service routes where bit wear is a routine consideration. Designed for use in impact drivers rated for high-torque output, this bit is not intended for standard drill or screwdriver use where torsion absorption is not a design factor.
Designed for use in impact drivers and hex-shank bit holders accepting standard 1/4-inch hex shank power bits with a T40 Torx drive profile.
Install into any 1/4-inch hex-shank impact driver or bit holder with the driver powered off and the trigger locked out before bit changes. Confirm the bit is fully seated in the chuck before applying load. Inspect bits for twisting, cracking, or worn tip engagement before each use and replace any bit showing visible damage. This bit is rated for impact driver use only and should not be substituted into rotary-only tools where torsion management is not required.
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