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

Good value and affordable price for the purpose.
Works well for drilling through brick, fire brick, and masonry materials.
Heavy gauge and sturdy build, suitable for working jobs.
Masonry bit helps get the initial hole started effectively.
Delivers clean holes when used properly.

What people don’t love

Bit can get stuck during use.
Structural quality issues, such as teeth breaking and cracking.
Not durable for heavy or prolonged use on thick concrete walls.
Can drain drill batteries quickly depending on use.
Some users experienced breakage before drilling through surface.

Good for occasional masonry drilling but may lack durability for heavy-duty or repeated use.

Summary based on customer review evidence.

Check price on Amazon

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.