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

Drills effectively through fire brick and concrete masonry.
Good value for the price, recommended for occasional use.
Includes three adapters for SDS Plus, SDS Max, and Hex compatibility.
Can cut through tough materials like bluestone and damaged metal parts.
Works well when used properly and patiently, despite slower progress.

What people don’t love

Some users reported the teeth breaking or cracking during use.
Shank snapped off for a few users, causing frustration.
Bit can be wobbly at the start and pilot bit may be too short.
Not suitable for heavy or repeated use without risk of damage.
May require slower drilling and getting used to for optimal performance.

Decent core drill bit for light to moderate use, but may lack durability for heavy-duty jobs.

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.