GRIXLEN 2" Diamond Dry Core Drill Bit (10" Depth) w/ SDS+ SDS Max Hex Adapters

What people love (and don’t love)

What people love

Works well for drilling through concrete, masonry, brick, and block.
Effective at starting holes and cutting through tough materials like fire brick.
Includes adapters for SDS Plus, SDS Max, and Hex, enhancing compatibility.
Good value for the price according to multiple users.
Produces clean results when used carefully and patiently.

What people don’t love

Durability concerns; some report teeth breaking or cracking mid-use.
Can be wobbly at the start, requiring careful handling.
May take a long time to drill through thicker concrete.
Not recommended for heavy or repeated use without potential failure.

Good for occasional concrete drilling but may lack long-term durability.

Summary based on customer review evidence.

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Quick facts

Brand: GRIXLEN
Price: USD 47.99
Rating: 3.90 (38 reviews)

The GRIXLEN 2 inch Diamond Dry Core Drill Bit set is designed for dry coring in tough materials like concrete, masonry, brick, and block. It features a 2″ (50.8 mm) cutting diameter and a 10″ (250 mm) drilling depth to help you create clean openings for common installation and routing tasks.

You can view the current price and full details on Amazon here.

This set includes three adapters—SDS Plus (110 mm), SDS Max (160 mm), and Hex (110 mm)—so you can match the bit to different rotary-only drilling setups. For best results, start drilling with the core bit held vertical as noted by the manufacturer.

2 inch (50.8 mm) drilling diameter with 10 inch (250 mm) drilling depth
5/8″-11 thread core drill bit
Includes 3 adapters: SDS Plus (110 mm), SDS Max (160 mm), and Hex shank (110 mm)
Diamond alloy tip with alloy steel construction
Recommended for concrete, masonry, brick, block, and cement (rotary only)

If you want a versatile dry core bit kit that includes multiple shank options in one box, this GRIXLEN set is a practical pick—just be sure your tool/setup supports rotary-only operation and keep the bit vertical when starting the hole.