SKU: 36021505242

Bosch OSL234HG 2-3/4 Inch Starlock Oscillating Multi Tool Hybrid Grout Blade Carbide Grit for Tile and Thinset

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Description

Bosch OSL234HG 2-3/4 Inch Starlock Oscillating Multi Tool Hybrid Grout Blade Carbide Grit for Tile and ThinsetSUPERIOR TORQUE TRANSFER FOR PRECISE GROUT REMOVAL Maximize the potential of your oscillating multi tool with the Bosch OSL234HG 2 3 4 Inch Starlock Hybrid Grout Blade. This accessory features the revolutionary Starlock 3D interface, designed to create a completely integrated system between the tool and the accessory. Unlike standard flat interfaces, this three dimensional connection delivers the highest torque transfer in the industry, significantly

SUPERIOR TORQUE TRANSFER FOR PRECISE GROUT REMOVAL

Maximize the potential of your oscillating multi-tool with the Bosch OSL234HG 2-3/4 Inch Starlock Hybrid Grout Blade. This accessory features the revolutionary Starlock® 3D interface, designed to create a completely integrated system between the tool and the accessory. Unlike standard flat interfaces, this three-dimensional connection delivers the highest torque transfer in the industry, significantly reducing vibration and maximizing efficiency. Whether you are removing stubborn grout lines or grinding down thinset mortar, this Swiss-made blade ensures precision accuracy and long-lasting performance in the most demanding professional applications.

The OSL234HG utilizes a unique hybrid teardrop design that combines the benefits of a pointed scraper and a rounded grinder, allowing for versatility in both tight corners and wider surface areas. Coated with premium carbide grit, it offers exceptional durability for prolonged use in abrasive materials. The blade is color-coded and laser-etched for quick identification, ensuring you always grab the right tool for the job. While optimized for Starlock® tools, it remains backward compatible with OIS® systems, fitting major brands like Fein, Milwaukee, Makita, and Ridgid.

Key Features

  • Starlock® 3D Interface: Provides maximum torque transfer and reduced vibration for superior performance.
  • Premium Carbide Grit: High-quality coating ensures extended life in tough grout and tile applications.
  • Hybrid Teardrop Shape: Versatile design allows for both detailed corner rasping and broad grinding.
  • Universal Compatibility: Fits Starlock® tools and is backward compatible with OIS® tools (Bosch, Fein, Makita, Milwaukee, etc.).
  • Swiss Precision: Manufactured in Switzerland for professional-grade accuracy and durability.
  • Color Coded System: Interface color and laser etching make blade identification fast and easy.
  • Efficient Removal: Optimized for removing grout, thinset, and mortar with minimal effort.

What's Included

(1) 2-3/4 Inch Starlock Carbide Grit Hybrid Grout Blade

Specifications

Manufacturer Bosch
Model Number OSL234HG
Blade Size 2-3/4 in.
Blade Thickness 0.125 in.
Connection Style Starlock (OIS Compatible)
Blade Material Carbide Grit
Blade Shape Hybrid Teardrop (Pointed/Rounded)
Application Grout, Thinset, Mortar Removal
Max OPM 21,000
Package Quantity 1

Pro-Tip: When removing grout, use the pointed tip of the teardrop shape to carefully navigate into tight corners without damaging adjacent tiles. For longer straight runs, utilize the broader rounded edge to remove material faster. Always let the tool do the work—excessive pressure can cause the carbide grit to wear prematurely.

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: 36021505242

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Verified Purchase
Peyton
New York, US
★★★★★ 5
Work Great
Perfect universal cartridge, much better than ordering from the company
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
T
The Beauty Chronicles
Boise, US
★★★★★ 5
MICRONEEDLING IS MY SKIN’S SECRET WEAPON!!!
Microneedling completely transformed my skin. Of every treatment I have ever tried, this one has made the biggest difference in texture, glow, and overall refinement. After years of paying for appointments, I decided to learn proper technique and invest in a Dr. Pen device for at home use, and I truly have never looked back. Needle Options and Coverage: I typically use a 16 pin cartridge, so I am excited to incorporate the 36 pin into my routine. The wider pin configuration allows for broader coverage, which makes it especially useful for larger areas of the face and even the body. It gives me more versatility in my treatments. Compatibility and Value: It is such a relief to find cartridges that are compatible with my Dr. Pen device right here on Amazon. The price point is very reasonable, especially compared to professional treatment costs. Having reliable, accessible replacements makes maintaining my routine so much easier. Excellent value for the money. Final Thoughts: Convenient, affordable, and a great addition to my microneedling routine… I love having professional level tools within reach… and my skin continues to thank me for it…
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Reviewed in the United States on February 20, 2026
M
Me
Fort Morgan, US
★★★★★ 5
A long, HONEST & detail filled review (with usage tips) from a skincare junkie.
These cartridges arrived super fast (with enough time to spare for a quick face sesh before the holidays!). The lot of 12 was packed in a cellophane/paper bag (the basic, unlabeled sterilization bags) that was sealed shut. The cartridges themselves are all separately packaged (in smaller plastic/paper sterilization bags), each one was properly sealed shut, ensuring sterilization. The individual bags have an illustration of the cartridge and are labeled as “36 NEEDLE” . There are photos of and all the different size needle patterns as well. Each package contains a proper lot #, manufacture date (10/10/25) and expiration date (10/09/2028) along with the info that the disposable tips were sterilized with non-pyrogen EO Gas. Not a single package was damaged or open and all contained the proper cartridge inside. I was VERY happy when I removed one of the cartridges and saw that it (they all) have the protective cap/cover inside the tube/over the needles. Not only is that more sanitary and keeps the needles protected in the event the spring is pushed, but it's also a dead giveaway for spotting bad/bootleg cartridges (as they typically don't come with the cap). While these might not be brand name, they definitely aren't bootleg quality! These are nearly identical to the cartridges I order directly from Dr. Pen. They are the same size and shape, with the color of the plastic tubing being the only slight difference. The 36 needle pattern is legit, with the long row of 10 needles in the center, a row above and below that with 8 needles and the rows on the top and bottom containing 5 needles each. They are perfectly spaced and staggered. The cartridges fit my M7S perfect- nice and snug with no wiggling or looseness. The silicone membrane keeps your pen clean and hygienic and the spring system provides smooth, continuous movement without the needles getting stuck or punching jerky. The needles themselves are very fine and they are nice and sharp. I am extremely sensitive to anything other than medical grade stainless or titanium (I know immediately when I'm using something that's not that!) and I haven't had a single issue with these. Considering 10 brand name cartridges are $40, getting 12 of these that look and function almost identically for $25 is a steal. With no minimum spend for shipping and quick arrival time, I know I'll be buying these again! ⭐️TIPS FOR USING THE 36 NEEDLE CARTRIDGES⭐️ These cartridges are perfect for wrinkles and fine lines, large pores, pigmentation, increasing firmness as well as hydration (after using these, your products sink deep down in the skin- quick. It's great!). *For lines and wrinkles on the face and neck, you want a depth of 1.5 - 2.0mm (with a max of 1.5 for the glabellar lines or the 11's). For wrinkles around the lips, 0.5 - 1.5mm *If you are working on your pores, 0.5 - 1.0mm depth *Uneven pigmentation, 0.5 - 1.5mm depth and 1.0 - 2.0mm depth for sun spots specifically. *For firmer, tighter skin and skin laxity, 1.5 - 2.0mm These are just some general depth guidelines I use with these cartridges. I am not an aesthetician, but I am a total skincare junkie that has been microneedling myself for the past 15 years. As always, do your own research, especially because different areas around the face may require a shallower depth. If you are uncomfortable, then adjust the depth for your comfort. Finally, remember to clean your skin, hands and pen throughly before microneedling and work in a clean environment too. You don't want to introduce any bacteria or germs 2mm down (or even .5mm down) in your dermis. Also, these are single use cartridges and they are very affordable, so don't try to clean and reuse them (that's just asking for trouble!) Instead, toss and replace!
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Reviewed in the United States on December 23, 2025
I
Verified Purchase
Iviana Beauty
Louisville, US
★★★★★ 1
No es para Dr Pen M8
No le sirve al Dr Pen M8
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Reviewed in the United States on February 19, 2026
C
Customer review
Dallas, US
★★★★★ 5
For larger size areas
Top quality with stainless steel material. Using 36 pins which sturdy pins. It fits well on M8 and easy to use. Because of the size it works a bit tougher/ harder providing deeper penetration. Because of the amount of pins these are for larger sized areas leaving this more for moderate to experts to be able to use this efficiently and effectively. Good value for the money
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Reviewed in the United States on January 13, 2026

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