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  • Ratings Standard Delivery: £3.99
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Technical Specification
PRODUCT NUMBER DB045CBDB040CBDB050CBDB035CBDB055CB
Type Cobalt Drill BitCobalt Drill BitCobalt Drill BitCobalt Drill BitCobalt Drill Bit
Size 4.5mm4mm5mm3.5mm5.5mm
Pack Qty 10101010
Size Range Up to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mm

Q 1. What is the delivery time?

A. Standard UK Mainland delivery is 3–5 working days.

Q 2. Are delivery charges included in the product price?

A. No, delivery charges are calculated separately at checkout based on order weight, size, and delivery location. 

Q 3. What is your return policy?

A. We accept returns within 30 days of purchase for items that are unused, undamaged, and in their original packaging. Returns are available only for UK-delivered orders and must include proof of purchase.

Before returning an item, please contact us at [email protected] to obtain a Return Merchandise Number (RMN). You may also be asked to share images of the product and its packaging for verification.

Items that do not meet these conditions will not be accepted for return. If your return is approved, we will initiate a refund to your credit card or original method of payment. A restocking fee of up to 15% of the order value may apply to each returned item.

Q 1. What size is Abracs cobalt drill bit DBCB04510

A. It is a 4.5mm diameter cobalt M35 high speed steel drill bit supplied in a pack of ten pieces.

Q 2. Which materials is this drill bit suitable for according to specification

A. The specification notes suitability for wood, and it may also assist in drilling compatible metals.

Q 3. In what applications are 4.5mm drill bits commonly used

A. They are commonly used for pilot holes and fixings requiring clearance slightly larger than 4mm.

Q 4. How does cobalt M35 construction benefit this drill bit

A. Cobalt helps retain hardness at higher temperatures, improving wear resistance during repeated drilling.

Q 5. Who benefits most from stocking 4.5mm cobalt bits like this

A. Installers, fabricators and maintenance technicians benefit from dependable small diameter bits.

Q 6. How can users help maintain drilling accuracy with this bit

A. Centre punching, using steady feed and correct speed all help keep holes accurate and straight.

Q 7. What practices help extend bit life when drilling metals

A. Using cutting fluid, avoiding excessive pressure and clearing chips regularly all help reduce wear.

Q 8. How does this size complement other cobalt drill sizes in a range

A. It fills a useful intermediate size between common 4mm and 5mm drills.

Q 9. What precautions should be taken when using this bit in hand drills

A. Users should secure the workpiece, maintain a firm grip and avoid side loading.

Q 10. How can users recognise when a 4.5mm bit needs replacement

A. Slower cutting, excessive heat and visibly dull cutting edges indicate replacement is needed.

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