SKU: 71852895718

Bosch HC88 5-5/16 Inch Replacement Center Pin for SDS-max Rotary Hammer Core Bits Carbide Tipped

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Description

Bosch HC88 5-5/16 Inch Replacement Center Pin for SDS-max Rotary Hammer Core Bits Carbide TippedMAXIMIZE CORE DRILLING PRECISION AND SPEED Ensure accurate starts and efficient drilling with the Bosch HC88 5 5 16 Inch Carbide Tipped Centering Bit. Designed specifically for use with Bosch SDS max rotary hammer core bits, this essential replacement pin works in tandem with the core bit's wave design to deliver superior performance. The wave design technology transfers energy to the bit more effectively, allowing for up to 40% faster drilling

MAXIMIZE CORE DRILLING PRECISION AND SPEED

Ensure accurate starts and efficient drilling with the Bosch HC88 5-5/16 Inch Carbide-Tipped Centering Bit. Designed specifically for use with Bosch SDS-max® rotary hammer core bits, this essential replacement pin works in tandem with the core bit's wave design to deliver superior performance. The wave design technology transfers energy to the bit more effectively, allowing for up to 40% faster drilling compared to previous designs. Whether you are boring through concrete, brick, or block, this centering bit provides the stability needed to start large holes cleanly and accurately.

Built for the professional job site, the HC88 features a durable carbide tip that withstands the punishment of heavy-duty rotary hammers. It serves as the pilot for SDS-max core bits ranging from 1-3/4 inches up to 6 inches in diameter. By integrating seamlessly with the all-in-one core bit system, it helps transmit power directly to the end of the bit, ensuring that even smaller hammers can effectively drill larger holes. Keep your core drilling operations running smoothly with this genuine Bosch replacement part.

Key Features

  • Precision Starting: acts as a pilot to prevent bit walking and ensure accurate hole placement.
  • Carbide Tipped: Durable carbide tip resists wear and extends the life of the centering pin in tough masonry.
  • Efficient Power Transfer: Works with wave design core bits to deliver up to 40% faster drilling speeds.
  • Wide Compatibility: Fits Bosch SDS-max® core bits with integral shanks ranging from 1-3/4 in. to 6 in. diameter.
  • Integral System: Designed for "all-in-one" cores that transmit hammer power directly to the cutting face.

What's Included

(1) Bosch HC88 5-5/16 in. Centering Bit / Replacement Center Pin

Specifications

Manufacturer Bosch
Model Number HC88
Item Type Replacement Center Pin
Overall Length 5-5/16 in.
Shank Diameter 5/16 in.
Bit Material Carbide Tipped
Compatible Core Bit Type SDS-max with Integral Shank
Min. Drill Diameter 1-3/4 in.
Max. Drill Diameter 6 in.
Application Dry Coring (Masonry/Concrete)

Pro-Tip: The centering bit is designed only for starting the hole. Once the core bit has cut a groove approximately 1/8 to 1/4 inch deep into the concrete, stop the hammer, remove the centering bit, and then continue drilling. Leaving the pilot bit in for the entire depth can cause the bit to bind or break.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 71852895718

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Tessy
Waukegan, US
★★★★★ 1
Burned my already sensitive feet, too big
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
Feels icky, and the heat gets trapped and literally felt like my feet were being burned by these. The bottoms of these feel prickly and they are way too big. You have to sit still and cannot walk in them.
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Reviewed in the United States on April 22, 2026
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Ms. Mac
Dallas, US
★★★★★ 5
Just as good as paraffin wax
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
I might prefer these socks over paraffin wax. They are comfy and very moisturizing. I use these socks once a week to keep the heels and soles of my feet moisturized between pedicures. I rinse with warm, soapy water then hang to dry. They are hard to walk in, but there's a saying printed in the socks that's says something to the effect of "take a break, stay off your feet" lol I love that as a reminder to put my feet up and relax
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Reviewed in the United States on April 9, 2026
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SKI
Pawtucket, US
★★★★★ 5
Love these!
Color: Pink & Beige, Size: Small(fits up to size 7)
Love these! As I write this review, I’m sitting in my recliner with these on. I have had other silicone socks in the past and would like to share a few of the things that I have learned. These fit great! The others were 2-3 sizes too big because you could not order a size. I wear a size 7 women’s shoe. I got the smaller size. I walked around my apartment in my old ones and they got kinda yucky. Now, I sit in my recliner, put them on and chill for a few hours. I now take them off and put in a ziplock bag so they stay nice and clean (no cat hair!). I use them once a week usually on Saturday or Sunday as I’m a working girl. Also, I use Auqaphor before I put them on and put cotton socks on after I’m finished. Your feet will be SO soft. This is not a one and done…I do this every week especially during sandal season! I know this was lengthy and I hope you got some tips.
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Reviewed in the United States on April 25, 2026
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Suleyka Torres
Cuba, US
★★★★★ 5
Me encanta
Color: Glint Rainbow
Me encanto volveria a comprar
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Reviewed in the United States on May 23, 2026
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Yss
Port Orchard, US
★★★★★ 5
better results
Color: Glint Pink
I really like the packaging; you don't need to open it and spill everything—with a simple touch, you have the product. I love it and would buy it again.
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Reviewed in the United States on April 23, 2026

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