Questions and Answers for Bosch 1-3/4 in. x 17 in. x 22 in. SDS-max Carbide Rotary Hammer Core Bit for Masonry and Concrete Drilling

A:  The HC7507 is interchangeable core bits work with SDS-max® or Spline adapters. If you saw a word "Spine", it is a typographical error and we apologize for the confusion. We will have it corrected. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

A:  Thanks for the question. The HC8526 Core Bit has a usable length of 17 inches, however if you will drill a slab, it may take time due to the hardness of the material. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

A:  Yes

A:  Very easy. Just need to use a hammer drill that is powerful enough to run this bit. Just make sure there's no rebar inside the wall where you want to drill. We use this for everyday drilling through concrete, block, brick and stone.

A:  I would think so because I am an Electrical Contractor and have used our bit on 8" Concrete Foundation Walls.and the results were nice clean holes for our running conduit thru, after many uses the bit still cuts with No Problem. Best of Luck Joe J.E.B Electric, Inc. (303) 472-1871

A:  Hi there! The HC7507 Core bit is not designed for rebar cutting. You may check https://www.boschtools.com/boschtools-search/us/en/search/search.htm?searchTerm=rebar+cutter for more options on your application. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

A:  It can but the drill may end up hurting an arm when it catches on ya. Don’t push to hard and let the bit do the work. Go slow and be patient. It may damage bit as well.

A:  Thank you for your question. The HC8536 Core Bit has a maximum depth or useable length of 17". For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

A:  Thank you for your question. The HC8526 Core Drilling Bit is an SDS-max bit and will not fit the RH328VC SDS-plus tool. You can check out the SDS-plus core bits here https://www.boschtools.com/us/en/boschtools-ocs/sds-plus-speedcore-thin-wall-core-bits-22603-c/. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

A:  No. RH328VC is Bosch SDS-Plus. You need SDS-Max.

A:  Thank you for your question. The HC8536 3-1/4 In. x 22 In. SDS-max® Rotary Hammer Core Bit will only work with an SDS-max tool, you can call Hilti and ask about the model numbers. You may also check our line of SDS-max® tools here https://www.boschtools.com/us/en/boschtools-ocs/sds-max-hammers-23518-c/. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

A:  I used it without water and it performed great. I don't think water would have improved it any.

A:  Dry

A:  Thank you for your question. The HC8555 SDS-max Rotary Hammer Core Bit is designed for dry drilling. You can just attach a dust extractor to avoid dust. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

A:  Also Bosch replied to 2 other similar questions asked here and stated that it does include the mandrel.

A:  No it does not. That is a separate purchase.

A:  Thank you for your question. The HC7507 Rotary Hammer Core Bit is only compose of 2 pc core bit and its centering bit. Mandrel or any extension shaft is sold separately. Here are the extensions we offer https://www.boschtools.com/us/en/boschtools-ocs/sds-max-core-bit-extensions-22582-c/. For further assistance, contact us at 1-877(BOSCH99) or 1-877-267-2499 from Mon-Fri 7A-7P CST.

A:  You can buy core bit with or with out extension that would attach it to your drill. I don't know which you bought. I buy mine with the correct length and type of extension that I want because the core bit can be hard to unscrew from the extension. The pilot bit is replaceable.

A:  Should fit in any drill set up with the SDS Max Chuck

A:  Thank you for your question. The HC8555 Core Bit has an SDS-max shank. If your Makita tool accepts SDS-max shank, then it will work. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

A:  Thank you for your question. The HC8506 1-3/4 In. x 22 In. SDS-max® Rotary Hammer Core Bit is designed for concrete drilling. With rebar, we recommend to use a rebar cutter. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.