12pcs S2 Steel T6-T40 Magnetic Torx Screwdriver Bits Set 25mm Security Tamper Proof Screwdriver Bit For Cheap

Description

12pcs S2 Steel T6-T40 Magnetic Torx Screwdriver Bits Set 25mm Security Tamper Proof Screwdriver Bit
Specification: 
Material: S2 Alloy Steel. 
Type: 
A: Hollow. 
B: Solid. 
Surface Treatment: Brown Oxide. 
Overall Length: 25mm. 
Size: T6, T7, T8, T9, T10, T15, T20, T25, T27, T30,T35, T40. 
Hardness: HRC.58-62. 
Head Type: Torx. 
Shank Type: 1/4 Inch hex. 
Quantity: 12pcs. 

Features: 
-Strong Magnetic, High precision, High hardness and good workmanship. 
-Brown oxide surface treatment to enable the high hardness of surface and wear-resistance to keep long tooling life. 
-Classification of the S grade to tool steel is shock-resistant. Uses for such tools are chisels and dies to punch, and shear applications. S2 has more vanadium that increases hardness and wear. S2 has more manganese to reduce brittleness. 
-In the installation can easily suck screws, electric screwdriver, manual screwdriver, electric drill. 
-Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head. 
-Strong magnetic can suck the screws easily when used it. 
-Can be used for manual electric screwdriver, screwdriver, drill, air and other tools. 

Package Included: 
12 x screwdriver bits