Core Drill Diamond Dry Coring Bit 4" with Pilot Bit Hard
Not satisfied? Return it within 14 days for a full product refund. Return shipping applies for change-of-mind returns. View policy
This diamond core drill bit delivers fast, clean holes through hard concrete and masonry with minimal effort, thanks to premium diamond grits and an engineered chip removal design that keeps the bit performing longer.
The included pilot bit and extra blade, combined with universal threading, let you work efficiently across most standard drilling machines without needing additional adapters or accessories.
- 4 inch (101.6 mm) diameter with 9.5 inch (241.3 mm) drilling depth
- Premium aluminium alloy construction with high-quality diamond grits for extended coring life
- 5/8"-11 universal thread fits most standard core and handheld drilling machines
- Includes pilot bit and extra 4.5 inch (114.3 mm) blade
- Chip removal holes and concentric axes design for consistent performance
- Works dry or wet on hard concrete, masonry, brick, and similar materials
📦 Shipping & Delivery
Free Standard Shipping on all orders across Australia.
Orders are dispatched within 1–3 business days of payment confirmation. You will receive a tracking email once dispatched.
Standard delivery: 3–7 business days (metro). Regional/WA/NT may take slightly longer.
Express delivery options are available at checkout.
🔁 Returns & Refunds
We offer 14-day returns on all items.
To be eligible, items must be returned in original, unused condition with all original packaging.
To start a return: email hello@myhappygift.com.au with your order number.
Refunds are processed within 5–10 business days of receiving the returned item.
🛡️ Warranty
All products include a 12-month manufacturer's warranty.
Covers manufacturing defects and faults under normal use conditions.
Does not cover accidental damage, misuse, or normal wear and tear.
To make a warranty claim, email hello@myhappygift.com.au with your order number and photos of the fault.
❓ FAQs
How long does delivery take?
Orders dispatch in 1–3 business days. Standard delivery 3–7 business days.
Do you ship to all Australian states?
Yes, we ship Australia wide including WA, NT, and all regional areas.
How do I track my order?
A tracking link is emailed once your order is dispatched.
How do I contact support?
Email hello@myhappygift.com.au or call (03) 9961 6069.
Mon–Sat, 9:00 AM – 10:00 PM AEST. We respond within 24 hours.
Are your products covered by warranty?
Yes, every product includes a 12-month manufacturer's warranty.
Curated for Quality
Every product hand-selected to meet our quality standards before it reaches your home
Fast Australian Dispatch
Orders dispatched within 1–3 business days from our Australian warehouses
Responsive Local Support
Australian-based team available Mon–Sat, 9am–10pm AEST. Reply within 24 hours
Backed by Warranty
Every product includes a 12-month manufacturer's warranty — shop with confidence
