NRG Diamond Core Bit - DCB Series - 25 x 400mm is available on backorder and will be fulfilled once restocked.
Product details
Product details
The NRG Diamond Core Bit is a professional-grade core drilling accessory designed for fast, clean, and accurate drilling through concrete, reinforced concrete, brick, block, masonry, and natural stone. Manufactured with industrial-grade diamond segments, it delivers excellent cutting performance, long service life, and reliable results for professional contractors, plumbers, electricians, HVAC installers, and construction specialists. NRG core bits are available in a wide range of diameters to suit various drilling applications. Designed for compatibility with professional diamond core drilling machines, including the NRG DCD16-160
Key Features
- Professional diamond core drilling bit
- Industrial-grade diamond cutting segments
- Suitable for concrete and reinforced concrete
- Fast, clean, and precise drilling
- Heavy-duty steel barrel construction
- Working length of 400mm
Specifications
- Product Type: Diamond Core Bit
- Working Length: Approx. 400mm*
-
Construction: High-Strength Steel Barrel
- Drilling Method: Wet Drilling (Dry where compatible)
- Compatible Materials: Concrete, Reinforced Concrete, Brick, Block, Masonry & Stone
- Compatible Drill: NRG DCD16-160 and compatible core drilling machines
Sizes
-
DCB-25X400 - 25 x 400mm
- DCB-28X400 - 28 x 400mm
- DCB-32X400 - 32 x 400mm
- DCB-35X400 - 35 x 400mm
- DCB-40X400 - 40 x 400mm
- DCB-45X400 - 45 x 400mm
- DCB-52X400 - 52 x 400mm
- DCB-57X400 - 57 x 400mm
- DCB-62X400 - 62 x 400mm
- DCB-72X400 - 72 x 400mm
- DCB-77X400 - 77 x 400mm
- DCB-82X400 - 82 x 400mm
- DCB-92X400 - 92 x 400mm
- DCB-102X400 - 102 x 400mm
- DCB-112X400 - 112 x 400mm
- DCB-122X400 - 122 x 400mm
- DCB-127X400 - 127 x 400mm
- DCB-132X400 - 132 x 400mm
- DCB-152X400 - 152 x 400mm
- DCB-162X400 - 162 x 400mm
- DCB-200X400 - 200 x 400mm
- DCB-220X400 - 222 x 400mm
-
DCB-250X400 - 250 x 400mm
Suitable for wet drilling applications and, where specified, certain dry drilling systems, the NRG Diamond Core Bit offers precision and efficiency for demanding commercial, industrial, and residential construction projects.
Secure Payment - Powered by Paystack
100% Guarantee: If you don’t receive your product as described, we’ll refund you in full.
Verified Supplier Network
Products are sold by contracted, authorised suppliers through Supply Master.
Managed Customer Experience
Supply Master manages the buying journey from product discovery to last-mile delivery.
One Point of Contact
Customers deal with Supply Master for updates, support, and resolution.
Support Beyond Delivery
After-sales support, warranty and returns are handled through our team.
We review orders to confirm before fulfilment to make sure the product, price, availability, and delivery details are aligned.
- - Orders are processed Monday to Friday.
- - Confirmed orders are usually ready for fulfilment within 24 to 48 hours.
- - Some products may require availability or supplier confirmation before dispatch.
- - Friday orders may be scheduled for Saturday delivery where possible.
- - Weekend orders are reviewed from Monday.
- - Bulky, special-order, regional, or supplier-dependent items may require extra lead time.
Ordering through Supply Master is simple, but every order is still reviewed before fulfilment.
- - Select your item and choose Buy Now or Add to Cart.
- - Enter your contact details, delivery address, and preferred payment method.
- - Pay on Delivery or online payment options will show based on your location and order eligibility.
- - Supply Master reviews your order and coordinates with our supplier network to confirm availability and fulfilment readiness.
- - Our team may contact you to confirm details, recommend alternatives, or update you before dispatch.
- - Once confirmed, your order moves into fulfilment or delivery coordination.
- - If an item is unavailable, we may offer alternatives, confirm restock options, or process a refund where applicable.
Delivery is coordinated based on your location, product size, supplier readiness, and handling requirements.
- - Free delivery may apply to eligible orders within selected zones and order values.
- - Regional deliveries may follow scheduled dispatch days from Accra.
- - Bulky, fragile, special-order, or supplier-dependent items may require a separate delivery quote.
- - Supplier-backed warranty support is coordinated by Supply Master where applicable.
- - Eligible unused items may be returned within 7 days if kept in original packaging.
Pay on Delivery is available for eligible orders and selected delivery locations.
- - Greater Accra: available on eligible orders.
- - Zone A cities: available on orders up to GH₵1,000.
- - Zone A orders between GH₵1,000 and GH₵4,999 may require up to 50% commitment payment.
- - Orders of GH₵5,000 and above require full payment before delivery.
- - Zone A includes Kumasi, Takoradi, Tarkwa, Cape Coast, Ho, and Sunyani.
- - Payment options are shown at checkout based on your delivery location and order value.
- - If Pay on Delivery is not available, online payment options will be shown.
Trusted across 50,000+ deliveries.
Built on verified suppliers, coordinated fulfilment, and support that stays accountable before, during, and after delivery.
Out of Stock? We'll Find the Alternative.
If a product is unavailable, our team helps you find suitable alternatives.



