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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 15 - Jun 20
For Your Every Summer RSVP, with Code: SUMMER15
Description
Bosch HDG78 7/8 In. Diamond Hole SawVacuum brazed diamond grit cuts faster and lasts longer Segmented teeth reduce debris and heat Remove material plugs quickly, easily One inch maximum cutting depth Fast and easy starts, even in the hardest materials like porcelain and granite. Quick Change universal hole saw system allows change to any size or type of hole saw in seconds. For use only with machines designed for wet sawing and on a GFCI protected circuit.

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 860 reviews
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Product Reviews
★★★★★ 5
Works
Fit my 1996 xr6 150 just fine. Engine runs at correct temperature so they are working as they should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
★★★★★ 5
Quick delivery
Fit like they should and seems to be working great
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Great product
Great product
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Fit Mercury 150 saltwater 2 stroke great!
These fit my Mercury 150 perfect. Took it out for a test run and engine ran great with no overheating issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
★★★★★ 5
Work’s okay
They work ok, as expected
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Reviewed in the United States on August 26, 2025




