Diamond Core Drill Bit, for Concrete Drilling 2"+3"+4"+5" Combo Wet Diamond Core Drill Bit Set, Drilling Coring Reinforced Concrete (US Stock)

2''/3''/4''/5'' Combo Wet Diamond Core Drill Bit Set for Drilling Hard ConcreteReminder: The thread diameter of the water drill is 22 mm. Please make sure your product can use 22MM thread diameter before your order. Drilling method: use WET only.Specifications:Segment height: 10mmBit Diameter * Bit Length:51mm (2") x 370mm, 76mm(3") x 370mm, 102mm(4") x 350mm , 120mm(5") x 350mmThread size: M22 (The thread diameter of the water drill is 22 mm.) Features:Excellent choice for all type of general drillingIdeal for plumbers, electricians or general contractors Application:Intended for drilling hard concrete, block, brick, masonry, and the like materialsIt is suitable for drilling and coring of reinforced concrete, brick wall drilling, air conditioning installation, pipe, road signs drilling, expressway and other outdoor projects.This product is tested, thickness of 220mm cement block, inside four 14mm steel bar, play through about need 4 minutes, can play 40 holes. Hand-held drilling machine need 3-4 minutes to play through the brick wall (only for reference, different operating conditions will affect the bit working life) Notice:Drilling method: use WET onlyRhinestones: In the use of the process must be added water, should be drilled to dig core engineering, the proposed matching fixed or hand-held drilling rigInstall the bit: first check the spindle has no swing, electrical and mechanical parts are normal, on the bit to ensure that the drill and drilling rig clamping, and maintain concentric Package included:4 x Wet Diamond Core Drill Bit

• Introduction -- This Diamond Core Drill Bit is intended for drilling hard concrete, block, brick, masonry, and the like materials.It is suitable for drilling and coring of reinforced concrete, brick wall drilling, air conditioning installation, pipe, road signs drilling, expressway and other outdoor projects.
• Better Performance -- This Combo Wet Diamond Core Drill Bit Set is tested, thickness of 220mm cement block, inside four 14mm steel bar, play through about need 4 minutes, can play 40 holes. Hand-held drilling machine need 3-4 minutes to play through the brick wall (only for reference, different operating conditions will affect the bit working life)
• Specifications -- Diamond Core Drill Bit Segment height: 10mm;Bit Diameter * Bit Length:51mm (2") x 370mm, 76mm(3") x 370mm, 102mm(4") x 350mm , 120mm(5") x 350mm; Thread size: M22 (The thread diameter of the water drill is 22 mm.)
• Install the bit: first check the spindle has no swing, electrical and mechanical parts are normal, on the bit to ensure that the drill and drilling rig clamping, and maintain concentric. Rhinestones: In the use of the process must be added water, should be drilled to dig core engineering, the proposed matching fixed or hand-held drilling rig.
• Note - The thread diameter of the water drill is 22 mm. Please make sure your product can use 22MM thread diameter before your order. Drilling method: use WET only.