Same Day Dispatch until 1:30pm. Coreplus DCDKIT7 7 Piece Diamond Dry Core Drill Bit Set in Metal Case CORDCDKIT7. Check Out Our Excellent Feedback. Coreplus DCDKIT7 7 Piece Diamond Dry Core Drill Bit Set. The CorePlus Diamond Dry Core Drill Bit delivers a smooth drilling experience. Its 8mm diamond segments feature a high concentration of premium-grade diamond in the bond, utilising leading edge diamond/metal bonding, metallurgy, for long-lasting core life. A ribbed core body, and V-groove segments, enable the fast clearing of debris, allowing for a continuous fast cutting action, while the aerated core design enhances cooling, and extends core life. 1/2in BSP threaded compatible with standard core drilling machines and accessories. Please Note: 22mm and 28mm have a 10mm Hex Shank and do not require an arbor accessory. This 7 piece CorePlus Diamond Dry Core Drill Bit Set is supplied in a sturdy aluminium storage case. 3 x Diamond Dry Core Drill Bits: 38, 52 and 117mm. EN ISO 21420: 2020 Dexterity 5. EN 388: 2016 + A1: 2018 4X31B. ANSI/ISEA 105: 2016 CUT Level A2. Check out what we have to offer! Garden Ornaments & Wall Art. Check Out Our Full Stock by Getting in Touch! We offer same day dispatch on orders placed before 1:30pm. We offer a 60 day return window on most of our listings. We are an independent, family-owned Builders Hardware and DIY warehouse in Haverfordwest, Pembrokeshire where we hold one of the biggest ranges of workwear you will find anywhere in the country. Coupled with this, we also stock a large range of ironmongery, fixings, hand and power tools as well as mix of other products from wooden flooring to stunning outdoor ornaments and planters. Company Name: Jamangie Trading. Member since: 12 Nov, 2002. Based In United Kingdom.