RECENTLY VIEWED
Skip to main content 
Sign In 
CRL Heavy-Duty Cyclo-Impak Drill Bits are made from a proven, impact-type alloy steel, allowing a long and productive drilling life. The special tip grind enables fast penetration into the toughest materials. Each bit is treated to resist metal fatigue, and has a brazed-in carbide tip for superior drilling results on concrete, limestone, brick, marble, slate, structural tile, terra cotta, terrazzo, and more.
Live Chat
24/7 Help Sign in for the Best Experience
Don't have an Account? Create an Account
DK Hardware Professional Tax Exempt? Net 30? - DK Net Terms
Roll over image to zoom in
Product Features
Product Overview
Related Videos
Reviews
Questions & Answers
3 3
reviews
QTY
–
+
+ Add to Wishlist
Buy in Bulk & Save - See How
Watch Now
30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.
- Brazed-In Carbide Tips
- Special Tip Grinding Enables Fast Penetration
Diameter
5/16" (8 mm)
Shank
1/4" (6 mm)
Length
6 , 4-1/2 ( working length )
Working Length
4-1/2" (114 mm)
Type
Cyclo-Impak
Drill Bit Size
5/16
Shank Diameter
1/4
Shank Type
Round
Drill Bit Material
Alloy Steel
CRL Heavy-Duty Cyclo-Impak Drill Bits are made from a proven, impact-type alloy steel, allowing a long and productive drilling life. The special tip grind enables fast penetration into the toughest materials. Each bit is treated to resist metal fatigue, and has a brazed-in carbide tip for superior drilling results on concrete, limestone, brick, marble, slate, structural tile, terra cotta, terrazzo, and more.
.