# Bosch HC4C2122 3/4-Inch SDS-Plus Bulldog Tough Rotary Hammer Bit

Bulldog Tough: Bosch HC4C2122 is a 3/4-inch SDS-Plus rotary hammer bit with an 8-inch overall length and a four-cutter carbide head. Its centering tip and four-flute design are aimed at concrete drilling and anchoring holes, including work where the bit may encounter rebar.

- [Original product page](https://best-deals.pro/product/bosch-hc4c2122-sds-plus-rotary-hammer-bit)
- [View offer](https://best-deals.pro/visit/bosch-hc4c2122-sds-plus-rotary-hammer-bit)
- Market: US
- Language: en-US
- Currency: USD
- Model: HC4C2122
- Category: Tools & Garden > Hand Tools
- Price: 20.60 USD
- Previous price: 25.98 USD
- Discount: 21%
- Price checked: 2026-11-14T07:06:28.234Z
- Rating: 4.6 / 5
- Reviews: 363

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Four-cutter carbide head is presented for concrete drilling that may encounter rebar, with the design intended to help reduce jamming.
- Centering tip is intended to help start anchoring holes accurately.
- Four-flute design is described as pulling dust away from the hole.
- Manufacturer claims up to 2X life in concrete with rebar versus its stated comparison bit. This is a claim, not an independently verified result.

## Pros

- SDS-Plus shank is specified for SDS-plus rotary hammers.
- The centering tip and 3/4-inch diameter suit buyers planning anchoring holes in concrete.
- The four-cutter head is designed to keep a cutting edge working when encountering rebar.

## Specifications

### Identity
- Brand: Bosch
- Model: HC4C2122
### Dimensions and installation
- Listed size: 3/4 In. x 6 In. x 8 In.
- Cutting diameter: 0.75 inches
- Usable length: 6 Inches
- Overall length: 8 Inches
- Shank type: SDS-Plus
- Weight listed: 7.84 ounces
### Materials and design
- Material listed: Carbide
- Surface recommendation: Concrete
- Cutting angle: 120 degrees
- Flute type: Parabolic
- Number of flutes: 4
- Point style: Bulldog™
- Finish type: Finish

## Before you buy

- The listing has inconsistent pack information: its title describes one bit, the included-components field says 1 Bit, while other fields call it a bit set and say 6 packs or 4 ct. Confirm the selected listing and quantity before ordering. The stated up-to-2X life claim uses differing comparisons across listing sections, so treat it as unconfirmed rather than a guaranteed outcome.

## In the box

- 1 Bit (Included): The explicit included-components list says 1 Bit, but other listing fields give conflicting pack information. Confirm the selected listing quantity.

## A good fit for

- Concrete and masonry workers needing a 3/4-inch bit for an SDS-Plus rotary hammer.
- Electrical, plumbing, and general construction trades drilling anchoring holes in concrete.

## Less suited to

- Buyers whose rotary hammer does not use an SDS-Plus shank.
- Buyers needing a different hole diameter or a longer usable reach than the listed 6 inches.

## Customer feedback

Customer feedback highlights perceived good quality, effective concrete drilling, compatibility with concrete and value, while durability experiences are mixed: some customers report long life and others say the bit dulls quickly. That variability matters for buyers relying on it for repeated concrete work. The four-cutter carbide head is a product claim, not proof that every bit will last longer in use.
- Positive themes: Customers describe the bit as good quality and say it works well in concrete.
- Positive themes: Some customers consider it good value.
- Negative themes: Some customers report that the bit dulls quickly.
- Mixed feedback: Durability feedback varies, with some reporting long service and others faster dulling.

## Frequently asked questions

### What tools does this bit fit?
The listing specifies an SDS-Plus shank and says it is made for SDS-plus rotary hammers.
### What are the listed dimensions?
The listing gives a 3/4-inch diameter, 6-inch usable length and 8-inch overall length.
### Is this sold as a single bit or a multi-pack?
The title and component list indicate one bit, but other listing fields refer to 6 packs and 4 ct. Confirm the quantity shown for the selected listing.
### Does the bit guarantee longer life in rebar concrete?
No. Bosch claims up to 2X life against stated comparison bits, but the comparison wording differs across the listing and the result is not independently verified.

## Alternative options

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## Add-ons

- [BOSCH HS143PK 3 pc. SDS-plus Bulldog Self-Sharpening Chisel Set \| Star-point, viper flat and tile chisels, self-sharpening designs, SDS-plus shanks and compact storage tube](https://best-deals.pro/visit/bosch-hc4c2122-sds-plus-rotary-hammer-bit)

## Images

![Bosch HC4C2122 3/4-Inch SDS-Plus Bulldog Tough Rotary Hammer Bit — 1](https://best-deals.pro/i/JZegXY_ZSQ--DEujJoageE-oifPaHHOO4AJwBZMKy9B_sj-JnrnIYb-a__dN6wESEsWP0pthrBZsIUaOxEdprxLRUMeXM1qipcifpWwuMnpuaM1IHpYh.jpg)

![Bosch HC4C2122 3/4-Inch SDS-Plus Bulldog Tough Rotary Hammer Bit — 2](https://best-deals.pro/i/SiUpZa2GTBX3sy0UdWdCoGVNkZcGYHvNh49Cg0qfgoSn5DYvep72oKk-RM3fnZpcx_tSz5hdgkQupEf2awxfbp9wV_ftMx5TtlyhXFjXpGL4SiB67A8a.jpg)

![Bosch HC4C2122 3/4-Inch SDS-Plus Bulldog Tough Rotary Hammer Bit — 3](https://best-deals.pro/i/cPaWfNPIRcCGs1pM57fi4IY-LlO2R6-BQjlyNz0QvONrYLV0dEF7v5xdTHE7fU6WwVo6_Evdch6l-I4tfQNcHxP6-GjFdQ7VNp0EhuqXrcHk_B1Slr-D.jpg)

![Bosch HC4C2122 3/4-Inch SDS-Plus Bulldog Tough Rotary Hammer Bit — 4](https://best-deals.pro/i/zAsclaukRD1N9Bq1zXgVJLpYc0MnhMsANvzbsoiWRwu-tHMeTAt0GjUvM0a4U0PPvFN3H5KPI0oStOIUMBsNX9Fq0CdO2OyXJux2u1MTIIdCT3qK419q.jpg)

![Bosch HC4C2122 3/4-Inch SDS-Plus Bulldog Tough Rotary Hammer Bit — 5](https://best-deals.pro/i/KYboxTf35Xe1xdlD-pESLzewLRMhuMiduyUUH_oRJvys13TgPZKxPPDSzhmE_LGLaQeBjop-qpXQHfJM6Jpqx2LC32X-F11IxXDDhTWEc-2IhnSL8Ufb.jpg)

![Bosch HC4C2122 3/4-Inch SDS-Plus Bulldog Tough Rotary Hammer Bit — 6](https://best-deals.pro/i/1cMbgn5EUBeiA2QqvZuEy-HDzM6DBydMj_TooGYI7vT_ZOb1Cpd0FAX7Y7A097JP3b-2_AZ04yGiLXFDZiUrwos_kNZtqorTCdodLiHXUA2ys3wh1exR.jpg)