Bosch 20 Piece Drill & Drive Bit Set

"It has a 1/4-inch external hex shank and is intended for universal screw-driving with screwdrivers and drill drivers. This Extra Hard Screwdriver Bit is a good choice for universal use. All tasks are achievable thanks to the bit´s S2 Modified Steel and an optimised heat treatment process resulting in extra-hard quality, enabling adequate performance in all tasks. The bit´s tapered torsion zone copes easily with torque peaks as it absorbs force and vibrations when screw-driving and thus fulfilling all tasks.

20-piece drill and screwdriver bit set, with HSS drill bits and spanner

• Universal Use
• The Extra Hard HSS Twist Screwdriver Bit Set can be used for easy drilling and driving applications
• S2 Modified Steel and an optimised heat treatment process results in extra-hard quality for adequate performance
• The tapered torsion zone copes easily with torque peaks, fulfilling all tasks

Specifications:
Set contents: (#227055 - 8678; PH2 (2x))(#227054 - 8682; PZ2)(#227058 - 8693; S5)(#8680 - InnenSechskant; HEX4, HEX5)(#227052 - 8687; T15, T20, T25)( ; HSS 2.0/2.5/3.0/3.5 mm)( ; Tool holder)( ; Sleeve with countersink)( ; Shank)( ; Wrench)
Length mm: 25; 25; 25; 25; 25; 16; 20; 24; 30; 85; 27; 39; 107

Materials:
Ferrous metals

Materials in Detail:
Gray iron
Alloyed/non-alloyed steel
Steel/ferrous metal"