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 smoothly through brick, block, and concrete with good cutting performance.
Constructed from heavy gauge material, designed for durability in tough jobs.
Includes adapters for versatile use with SDS Plus, SDS Max, and Hex.
Good value and recommended for repeated use on masonry projects.
Works well for HVAC, gas hookups, and exhaust vent installations.

What people don’t love

Teeth can break or crack under heavy use, reducing lifespan.
Bit may get stuck during drilling, requiring care to avoid jamming.
Not ideal for very hard concrete; some users experienced early failure.
Requires more effort and energy, draining battery quickly on cordless drills.
Some buyers found it unreliable and not worth the price for one-time projects.

Effective for masonry but may lack durability on very hard concrete or extended 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.