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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Erin
Belleville, US
★★★★★ 5
Great shoe
Size: 11.5 Wide, Color: Tan Leather Burnished
Very comfortable business casual shoe. Looks professional, yet stylish
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Reviewed in the United States on April 29, 2026
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dch
Houston, US
★★★★★ 4
Hard to Beat for the Price
Size: 10 Wide, Color: Tan Leather Burnished
I purchased these for a business trip to Italy and wore them daily for the two weeks that I was there, during which I walked extensively. For me, there was a break-in period of a few days; before it loosens up, it will bite your heel, so I recommend wearing bandages or heel pads initially. Following the break-in, it's a very comfortable shoe and has served me well. I purchased a wide, and for this shoe, I found the width agreeable; in my experience, Cole Haan wide widths tend to be hit or miss (i.e., a wide is sometimes not all that wide). In terms of durability, I would not expect these to remain in good condition for more than a year if you wear them daily. The leather is not of high quality, but it's acceptable for the price. Expect them to crease very quickly if not using shoe trees. That doesn't bother me, but I know some find it objectionable. All in all, I like them and would buy them again. It's a comfortable alternative to traditional dress shoes for the office and works equally well for casual wear. Most higher quality options cost at least two or three times as much, and many are unavailable in a wide.
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Reviewed in the United States on December 16, 2025
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Nickolas Weston
Lexington, US
★★★★★ 5
My favorite shoes
Size: 14 Wide, Color: White Leather
I’ve probably purchased like 40 pairs of these shoes or more. By far my favorite white sneaker. I have a large foot so the bigger sizes are appreciated. They’re versatile, literally go with anything and they are true to size. At a certain point they start to show wear and you can’t dress them up, but they last as a regular sneaker for a long time afterwards. I try to nab them on sale when they drop to $50-$70, absolute steal at that price point.
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Reviewed in the United States on May 9, 2026
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Ryan Miles
Los Angeles, US
★★★★★ 5
Clean Look, Super Comfortable – Instantly a Favorite
Size: 9.5, Color: White Leather
These sneakers are exactly what I was looking for—sleek, minimal, and incredibly comfortable right out of the box. The white leather looks sharp and pairs easily with everything from jeans to chinos, even dressed-down office wear. What surprised me most was the comfort. The sole is lightweight with just the right amount of cushioning, making them perfect for walking around all day. I’ve worn them on long city days and never felt sore or tired. They fit true to size (I’m a 9.5 and they’re spot on), and the quality feels premium. If you're after a versatile white sneaker that balances style and comfort, these are 100% worth it.
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Reviewed in the United States on March 29, 2025
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Alain
Phoenix, US
★★★★★ 5
Comfortable
Size: 10.5 Wide, Color: Black Leather/Black
Very comfortable shoes, you feel like walking on clouds
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Reviewed in the United States on April 26, 2026

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