5 PCS 26 × 4.5 cm Rotate Hammer Chisel Set, Round Shank 40Cr Steel Electric Hammer Chisel Bits with Point Flat Head, Concrete Chisel Set for Stone, Demolition Work

Item Type: Chisel SetProduct Material: 40Cr SteelProduct Weight: Approx. 940 g / 33.2 ozProduct Size: Approx. 26 x 4.5 x 4.5 cm / 10.2 x 1.8 x 1.8 inPackage List：1 x Point Chisel 150 mm1 x Flat Chisel 20 x 150 mm1 x Point Chisel 250 mm1 x Flat Chisel 20 x 250 mm1 x Flat Chisel 40 x 250 mm

• Round Shank Compatibility: Standard round shank design ensures seamless installation on electric rotate hammers and impact drills; Anti-slip grooves enhance grip stability during demolition tasks; Compatible with tools for construction or renovation projects
• 40Cr Steel Durability: Heat-treated 40Cr alloy steel construction delivers hardness (HRC 45-50) and impact resist; Surfaces treatment prolongs lifespan in humid ambient; Withstands 15,000+ BPM hammer drilling on concrete walls without tip deformation
• Multi Size Task Adaptability: Includes 150 mm/250 mm point chisels and 20 mm/40 mm flat chisels for diverse applications; 150 mm short bits target precision grooving in tight spaces; 250 mm long bits optimize leverage for heavy-duty floor slab breaking
• Dual Surfaces Efficiency: Point chisels concentrate force for cracking thick concrete or granite; Flat chisels enable smooth surface leveling on brick walls; Angled edges reduce rebound during vertical demolition work
• Material Versatility: Reinforced tips process 6-7 hardness materials including sandstone, limestone and cement blocks; Non-spark design safe for indoor renovation; Replaceable bits reduce downtime in bridge repair or HVAC installation