3" Wet #30/40 Grit Diamond Core Drill bit 1-1/4"-7 Thread for Concrete & Granite

Description

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Jeremywell 3" (76mm) Diamond Wet Drill Core Bit for Concrete, Granite, Brick Block, #30/40 Diamond Grits, 1-1/4"-7 Threaded, Height 17"
High diamond concentration for excellent footage and drilling speed - 1-1/4"-7 Threaded Attachment
Wet Drilling Applications: Drilling Soft Facing Brick, Concrete Blocks, Hard Sandstone, Coarse Sandstone, Soft Slate, Breeze Block & Drilling Lignacite Blocks.
NOT FOR USE ON REBAR
For use on hand held core drills and core drill stand
#30/40 diamond grit, perfect designed for drilling hard concrete, masonry, hard brick, granite, and other hard materials
Welding Method: High Frequency Welded
Product Details
Drill Bit Diameter(p):
3 Inch
No. of Segements:
7
Segment Length:
0.94 Inch
Segment Height:
0.39 Inch
Segment Width:
0.16 Inch
Overall Length:
17.75 Inches
Drilling Depth:
16 Inches
Arbor Size:
1-1/4''-7
Tube Thickness:
0.094 Inch
Wet Diamond Core Drill Bit for Brick and Concrete Block with Pilot Bit - 1-1/4"-7 Thread - #30/40 Diamond
Core bits are equipped with formulated style diamond segments designed for drilling through hard aggregate with high steel reinforcement.
NOT FOR USE ON REBAR
Applications:
Drilling Soft Facing Brick, Concrete Blocks, Hard Sandstone, Coarse Sandstone, Soft Slate, Breeze Block & Drilling Lignacite Blocks.
Features:
• Laser Welded
• Wet Drill Bit with Pilot Connection 1-1/4"-7 threaded
• Diamond segment design allows fast drilling with a longer life
• High diamond concentration for excellent footage and drilling speed
• For use on hand held core drills and core drill stand
INSTRUCTIONS FOR CENTER GUIDE USE:
(1) ATTACH CENTER GUIDE TO ADAPTER BY PUSHING IT INTO HOLE. TAP IT IN. THE HEAT EXPANDS THE METAL IN THE CENTER GUIDE AND WILL HOLD IN PLACE TO START HOLE
(2) THREAD ON TO DRILL
(3) SCREW DRY CORE BIT OVER ADAPTER
(4) PENETRATE MATERIAL ABOUT 3/4" TO 1 ½” (PASS THE LASER WELDED SEGMENTS)
(5) REMOVE TWIST BIT (WILL COME OUT WITH PLIERS, MONKEY WRENCH OR SCREWDRIVER INSIDE ADAPTER HOLE)
(6) CONTINUE DRILLING USING THE BARREL AS NEW GUIDE, DO NOT CORE WITH CENTER GUIDE IN BARREL.
Please contact us with any questions or concerns. Thank you for your business!