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BOSCH SDS-Max Deep-Hole Drill Bit - SDS-Max Deep-Hole Drill Bits
BOSCHSDS-Max Deep-Hole Drill Bits

BOSCH SDS-Max Deep-Hole Drill Bit

The BOSCH Core Center Bit is an SDS-Max deep-hole drill bit with a 2 1/2 in drill bit size, designed for use with a rotary hammer. It offers an 18 in maximum drilling depth and a 24 in overall length, as specified by…

SKU 3G-OTH-195389

Also listed as: HC 6521 · HC-6521

Brand
BOSCH
Item
SDS-Max Deep-Hole Drill Bit
Category
SDS-Max Deep-Hole Drill Bits
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BOSCH
Manufacturer Part Number
HC6521
Overall Lg
24 in
Max Drilling Dp
18 in

Technical Documents

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BOSCH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BOSCH Core Center Bit is an SDS-Max deep-hole drill bit with a 2 1/2 in drill bit size, designed for use with a rotary hammer. It offers an 18 in maximum drilling depth and a 24 in overall length, as specified by manufacturer part number HC6521.

Frequently Asked Questions

What is the BOSCH Core Center Bit used for?

The BOSCH Core Center Bit is used for deep-hole drilling in concrete, masonry, and stone when paired with a rotary hammer. Its 2 1/2 in size and 18 in maximum drilling depth make it suitable for creating precise core holes in construction and industrial applications.

What are the specifications of the BOSCH Core Center Bit HC6521?

The BOSCH Core Center Bit HC6521 has a 2 1/2 in drill bit size, 18 in maximum drilling depth, and 24 in overall length. It is an SDS-Max deep-hole drill bit designed for use with a rotary hammer, as specified by BOSCH.

Where to buy the BOSCH Core Center Bit HC6521 worldwide?

3G Electric supplies the BOSCH Core Center Bit HC6521 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct SDS-Max deep-hole drill bit for your rotary hammer, regardless of your location.

How to select the right BOSCH Core Center Bit for a rotary hammer?

To select the right BOSCH Core Center Bit, match the drill bit size (2 1/2 in) and shank type (SDS-Max) to your rotary hammer's chuck. Ensure the maximum drilling depth (18 in) meets your application needs. BOSCH bits are designed for compatibility with their rotary hammers.

Used in

Common applications for BOSCH
Concrete drilling — Bosch SDS-Max dust extraction attachment (HDC250) for on-surface drilling with HEPA filtration
Demolition and chiseling — Bosch breaker hammer chisel (HS1524) for driving ground rods or breaking concrete
Metal fabrication — Bosch shear blade (3608635000) for cutting steel up to 10 gauge in power shears
Grinding and surface preparation — Bosch dust shroud (TG503) for dust collection during angle grinder use
Rotary hammer maintenance — Bosch wear and tear part set (1617000447) for replacing components in demolition tools
Sanding and finishing — Bosch dust collection kit (OSC005) for oscillating tool sanding with dust extraction

BOSCH Products

3G Electric supplies BOSCH sds-max deep-hole drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
One-piece SDS-Max core bit with a 5-inch core diameter and 22-inch overall length, featuring a 2 5/8-inch core body length. Designed for dry drilling in masonry, concrete, and block. Includes a center bit for precise piloting. Compatible with SDS-Max rotary hammers
BOSCH
One-piece SDS-Max core bit with a 5-inch core diameter and 22-inch overall length, featuring a 2 5/8-inch core body length. Designed for dry drilling in masonry, concrete, and block. Includes a center bit for precise piloting. Compatible with SDS-Max rotary hammers
One-piece SDS-Max core bit with a 6-inch core diameter and 2 5/8-inch core body length, 22-inch overall length. Designed for dry drilling in masonry and concrete. Includes a center bit for precise starting and clean core holes
BOSCH
One-piece SDS-Max core bit with a 6-inch core diameter and 2 5/8-inch core body length, 22-inch overall length. Designed for dry drilling in masonry and concrete. Includes a center bit for precise starting and clean core holes
One-piece SDS-Max core bit with a 3 9/16 in core diameter and 2 5/8 in core body length, 12 in overall length. Designed for dry drilling in masonry and concrete with SDS-Max rotary hammers. Integrated center bit aids accurate starting for clean core holes
BOSCH
One-piece SDS-Max core bit with a 3 9/16 in core diameter and 2 5/8 in core body length, 12 in overall length. Designed for dry drilling in masonry and concrete with SDS-Max rotary hammers. Integrated center bit aids accurate starting for clean core holes
One-piece SDS-Max core bit for dry drilling in masonry, concrete, and brick. Core diameter 3 1/4 in, core body length 2 5/8 in, overall length 22 in. Suitable for deep coring tasks
BOSCH
One-piece SDS-Max core bit for dry drilling in masonry, concrete, and brick. Core diameter 3 1/4 in, core body length 2 5/8 in, overall length 22 in. Suitable for deep coring tasks
One-piece SDS-Max core bit for dry drilling applications. Core diameter 2 in, core body length 2 5/8 in, overall length 22 in. Includes center bit. Suitable for creating holes in concrete and masonry
BOSCH
One-piece SDS-Max core bit for dry drilling applications. Core diameter 2 in, core body length 2 5/8 in, overall length 22 in. Includes center bit. Suitable for creating holes in concrete and masonry
SDS-Max drill bit for concrete and masonry. 1-1/4 in diameter, 29 in overall length, 24 in maximum drilling depth. For use with compatible rotary hammers in heavy-duty drilling applications
BOSCH
SDS-Max drill bit for concrete and masonry. 1-1/4 in diameter, 29 in overall length, 24 in maximum drilling depth. For use with compatible rotary hammers in heavy-duty drilling applications

More from BOSCH

View all BOSCH parts →
This SDS-Max deep-hole drill bit is designed for use with rotary hammers to create deep holes in concrete and masonry. It features a 2-1/8 in diameter, 18 in maximum drilling depth, and 24 in overall length. Suitable for applications such as plumbing, electrical, and HVAC installations
BOSCH
This SDS-Max deep-hole drill bit is designed for use with rotary hammers to create deep holes in concrete and masonry. It features a 2-1/8 in diameter, 18 in maximum drilling depth, and 24 in overall length. Suitable for applications such as plumbing, electrical, and HVAC installations
SDS-Max deep-hole drill bit for rotary hammers. 1-3/4 in diameter, 18 in maximum drilling depth, 24 in overall length. Used for drilling deep holes in concrete and masonry for plumbing, electrical, or HVAC installations
BOSCH
SDS-Max deep-hole drill bit for rotary hammers. 1-3/4 in diameter, 18 in maximum drilling depth, 24 in overall length. Used for drilling deep holes in concrete and masonry for plumbing, electrical, or HVAC installations