hsawbit
✓Price
$93.99
350MM Connecting Rod Wall Hole Saw, Concrete Cement Tungsten Carbide Drill Bit with 30/40/50MM, High Strength, Stability, Fast Drilling for Air Conditioners, Washing Machines Pipe Punching Etc.
★★★★★
$93.99
Quantity
1
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About this item
- This premium drill bit set features high-grade tungsten carbide tips for maximum durability when drilling through brick walls, masonry, foam bricks and hollow cores. The hardened metal construction ensures long service life for installing AC units, exhaust hoods, washing machines and pipe systems. Includes 30/40/50mm bits with SDS+arbors.
- Our advanced core bits feature razor-sharp teeth with round alloy blade combinations that distribute workload evenly. This innovative design minimizes vibration during operation while preventing edge chipping. Perfect for creating clean holes in brick, masonry and foam concrete with exceptional stability.
- The set includes 30mm, 40mm, 50mm tungsten carbide core bits, SDS+arbors, guide drills and a 350mm extension shank. Professional drain holes ensure efficient chip removal during drilling operations. Ideal for HVAC installations and plumbing work in various wall types.
- Engineered with professional drain holes for smooth chip ejection and clean cuts. The tungsten carbide tipped blades work best with low pressure applications. Note: Not suitable for reinforced concrete or load-bearing walls. Comes complete with core bits, pilot drills and SDS arbors.
- For optimal performance and straight cuts, always use low pressure when drilling. These high-quality bits are designed for brick, masonry and foam walls only - never use on concrete or steel-reinforced structures. Proper usage ensures long-lasting sharpness and prevents premature wear.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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