Vevor Core Drill Bit 3-1/2" Diamond Dry Coring Bit for Concrete and Masonry New
Hole Drill Diameter Options
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Product Overview
The Vevor core drill bit is designed for dry drilling through reinforced concrete, red brick, concrete, foam brick, and masonry. Its 3-1/2" diameter and 9-1/2" drilling depth make it suitable for creating clean, deep holes for construction and installation work. The carbon steel body with diamond-grit teeth and laser welding is built for durability and stable high-speed performance. It includes three adapters, a pilot drill, and a hex wrench for compatibility with common drills and hammer drills. Precision-ground teeth help deliver smooth, accurate, burr-free cutting.
Brand new
1 year factory warranty
Manufacturer direct shipping from CA, NJ, & TX
Authorized Vevor Dealer
Features
- High Compatibility: This set includes a 3-1/2-inch diameter core drill bit, three adapters, and one pilot drill, making it compatible with most standard drills and hammer drills. Combine versatility and convenience for various tasks
- Precise Positioning: Our diamond dry coring bit comes with a pilot drill, no need for pre-drilling. The sharp tip quickly penetrates the surface, allowing for faster and more accurate positioning, ensuring smooth operation without switching modes
- Durable & Sturdy: Crafted from quality carbon steel with high-precision welding, this concrete core drill bit boasts 95HRB hardness. It resists heat buildup during high-speed drilling or dry operations, avoiding blade detachment and enhancing longevity
- High-Performance Drilling: Our core bits for concrete features precision-ground teeth for smooth, burr-free edges and faster, accurate cuts. The tooth center aligns with the installation axis, resisting wobbling or shifting during high-speed rotation
- Wide Application: Ideal for drilling through reinforced concrete, red brick, concrete, and foam brick. This core bit is commonly used in air conditioning installations, plumbing, stair railings, highways, airports, and various constructions
Specifications
| Item Model Number | dry drill 89*240 5/8-11 internal thread |
| Diameter | 3-1/2 in / 89 mm |
| Inner Thread | 5/8-11 |
| Max Drilling Depth | 9-1/2 in / 241 mm |
| Welding Method | Laser Welding |
| Wet/Dry Application | Dry |
| Compatible Machines | Hammer Drills, Drills |
| Compatible Cutting Materials | Reinforced Concrete, Red Bricks, Concrete, Foam Bricks |
| Net Weight Including Accessories | 4.34 lbs / 1.97 kg |
| Dimensions | 10.94 x 3.50 x 3.50 in / 278 x 89 x 89 mm |
Package Contents
Core drill bit
3 adapters
Pilot drill
Hex wrench
Warranty
This item comes with a 1 year factory warranty.






