Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
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Description
Simpson Strong-Tie MDMX08121Q (13/16" x 21") SDS-max Shank Quad-Head Drill Bit for Concrete DrillingSimpson Strong Tie MDMX08121Q Description The SDS max Shank Quad Head Drill Bit is designed for efficient and durable drilling in concrete and masonry. Featuring a 13 16 inch diameter and 21 inch length, it is ideal for heavy duty applications. Simpson Strong Tie MDMX08121Q Includes (1) SDS max Shank Quad Head Drill Bit Simpson Strong Tie MDMX08121Q Features Uniformly brazed carbide inserts for longer bit life Centering tip for easy spot drilling
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 2236 reviews
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Product Reviews
★★★★★ 5
Starter works great
Fits and works great 2005 Mercury mariner 3.0
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2025
★★★★★ 5
Reliable part
The price of this item was a bit of a shock. A good one though. I gave it to my mechanic, he installed it with no problems. Runs just fine. Would buy again
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Reviewed in the United States on May 5, 2026
★★★★★ 4
Entrega a tiempo
Exelente
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Reviewed in the United States on October 3, 2025
★★★★★ 5
Works and fits as described !
Works perfectly! On time ! Fits perfectly! First time I ordered this item they sent the wrong part completely but this time it’s perfect!
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Reviewed in the United States on March 5, 2025
★★★★★ 5
Excelente
Muy buen producto. Excelente recomiendo 100%
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Reviewed in the United States on November 1, 2025
