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BTP Review: Bosch GOP40-30 StarlockPlus® Oscillating Multi Tool

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The Bosch GOP40-30 StarlockPlus® OMT Review

Review by: Charlie Meyer

The Bosch StarlockPlus® Oscillating Multi Tool Stands Up To Tests

StarlockPlus® Oscillating Multi Tool Kit with Snap-In Blade AttachmentThis is my review of the Bosch StarlockPlus GOP40-30 oscillating multi tool. Up to this point, I have been using a Fein Oscillating Multi Tool at work and it’s been a mixed bag. I love the versatility of all the different cutting and sanding attachments, but have been frustrated by the way I have to deal with the screw every time I want to switch between them, and how loud it is and how much it vibrates. The model I was using came out back before any of the quick attachment technology rolled out so I was very excited to get to try out this new Bosch Oscillating Multi Tool because it specifically addresses those headaches.

The attachments of the StarlockPlus® Oscillating Multi Tool

StarlockPlus® Oscillating Multi Tool Kit with Snap-In Blade AttachmentThis Oscillating Multi Tool has the new StarlockPlus design for attachments, where the blades can pop on and off in almost no time. To get one on, all you do is press it in place and the mechanism in the head of the tool snaps open, pinching the piece in a rock solid, locked position. To get the attachments off, there is a lever on the side of the head of the tool that swings out and the blade drops right off. Changing between attachments has gone from a minute long fumbling with lining up the pin and getting the screw in place, to under a second. Pull, drop, press. New attachment’s ready to go!

StarlockPlus® Oscillating Multi Tool Kit with Snap-In Blade AttachmentThere are 12 different positions for a blade to lock into that make it possible to cut just about any material in any awkward situation. And the way the attachments connect provide a much more solid link – instead of just face to face and a few bumps to transfer the oscillating energy, the Starlock’s perimeter solidly grips around the raised connecting surface of any blade or pad you use. The attachments bed into the connection point, seating solidly into a tight fit. This set up has much more torque transfer, and it also seems to cut down enormously on the amount of vibration coming back to my hand. It’s a truly impressive improvement, and makes the tool so much more pleasant to use.

Here’s a video from the folks at Bosch Tools on how easy it is to change blades on the new Starlock system from Bosch:

The power of the StarlockPlus® Oscillating Multi Tool

Starlock Oscillating Multi ToolThe GOP40-30 also has a four amp, variable speed motor, compared to previous models’ 3 amp variable. It definitely has the power to do what is needed. I have cut through regular and treated 2x4s, nails, sanded through stain, and cut mortises straight through  a 2×4, and there was never any loss of power during operation – just smooth, efficient cutting.

 

Another feature on this model is a super bright LED work light. It’s so bright, sometimes I wished I could turn it off! Sanding some ¾” maple plywood edges, the light would occasionally white out the little ridges and blade marks I was trying to getting rid of, but the way the grip is designed, it was easy enough to use my non-dominant hand to cover the light. That hand positioning worked well both to block the light and to provide extra stability for fine movements and precision work. It would be nice if the light could be turned off and/ or dimmed, but I’d rather have too much light than not enough light on a tool. The angle it was directed worked perfectly for illuminating just in front of the sanding attachment, so great for any work that the tool would be doing.

I’m not entirely sure, since I didn’t have one available to test out, but I believe there is also a depth stop attachment that can be added to this model. That would add an extra amount of precision and repeatability to cuts you could need to make. So, if that’s the case, that would be another great feature to this already versatile tool.

StarlockPlus® Oscillating Multi Tool Kit with Snap-In Blade AttachmentThe main body of the Oscillating Multi Tool is a little thicker than I would have liked for holding it, it’s no deal breaker, but I think my hands are fairly standard size (I wear large size gloves typically) and the tool is just slightly larger than would be perfect for my hands. I think if I were having to use it all day, every day I would appreciate a slightly narrower circumference, but the balance and heft of the tool are great.

The only other thing I wish for was for the tool to be cordless. Bosch has cordless OMT’s, but not in the Starlock line just yet.It has a great, 13.5’ long cord, so it can easily reach anywhere in my shop, but cordless is just the way to go on pretty much anything these days, and not having to deal with a cord is always a plus.

Last thoughts of the  StarlockPlus® Oscillating Multi Tool

StarlockPlus® Oscillating Multi Tool Kit with Snap-In Blade AttachmentOverall, I love this tool. Being able to switch between attachments in such a short time is a huge, huge improvement in the functionality of the Oscillating Multi Tool, and less vibration and great balancing make it easy and comfortable to use. I love the power it has and the variety of attachments make this a great tool to have in my back pocket. Thanks again to Bosch for letting me use and review their new StarlockPlus Oscillating Multi Tool. If you have any questions, don’t hesitate to ask!

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37 comments on “BTP Review: Bosch GOP40-30 StarlockPlus® Oscillating Multi Tool

  1. Profile photo of Jim
    Jim

    Excellent review on a great tool. I just got one not too long ago. I have not used it much yet, but I am so glad I have it. It has already proven it’s worth.

  2. Jim

    Excellent review on a great tool. I just got one not too long ago. I have not used it much yet, but I am so glad I have it. It has already proven it’s worth.

    1. Profile photo of Charlie
      Charlie

      It doesn’t work with the old style blades. The head is basically shaped like a bottle cap, so the raised edges prevent it from connecting with the older style blades. But the new blades do work on older models.

    1. Charlie

      It doesn’t work with the old style blades. The head is basically shaped like a bottle cap, so the raised edges prevent it from connecting with the older style blades. But the new blades do work on older models.

  3. Profile photo of Brian
    Brian

    Nice review, after watching the video, all I have to say is wow, I never knew that it could change out the blades that fast,
    I still have the older 2.5 Bosch corded, I like it, but would really like to update eventually.
    Thanks for putting up a nice review.

  4. Brian

    Nice review, after watching the video, all I have to say is wow, I never knew that it could change out the blades that fast,
    I still have the older 2.5 Bosch corded, I like it, but would really like to update eventually.
    Thanks for putting up a nice review.

  5. Profile photo of Jon
    Jon

    It looks like a nice upgrade from the 3.0 model that I have. More power is typically a good thing, but I’ve never wished mine had more.

    I do really like the push to attach blade mechanism. I’ve found that generic blades can be difficult to align on the old style.

  6. Jon

    It looks like a nice upgrade from the 3.0 model that I have. More power is typically a good thing, but I’ve never wished mine had more.

    I do really like the push to attach blade mechanism. I’ve found that generic blades can be difficult to align on the old style.

  7. Profile photo of Ebooo
    Ebooo

    @charlie I notice something on one of the pics where you sanding locking mechanism is unlocking. Is that what happen or you just didnt pushould it all theway. I wish they put a lock at the end of the lockinghandle so doesn’t come out from vibration

    1. Profile photo of Charlie
      Charlie

      I don’t think it was coming unlocked…I think it’s just the angle of the picture. That lever is pretty stiff. But there is a gap right at the end of it so you can get your finger in there, so that could be what you’re seeing.

  8. Ebrahem

    @charlie I notice something on one of the pics where you sanding locking mechanism is unlocking. Is that what happen or you just didnt pushould it all theway. I wish they put a lock at the end of the lockinghandle so doesn’t come out from vibration

    1. Charlie

      I don’t think it was coming unlocked…I think it’s just the angle of the picture. That lever is pretty stiff. But there is a gap right at the end of it so you can get your finger in there, so that could be what you’re seeing.

  9. Profile photo of Éric
    Éric

    Nice review. You mention mortises – do you find the blade gets gummed up and overheats in a deep plunge with nowhere for the dust to go? I never considered plunge cutting with an OMT for a through tenon joint and now it seems so obvious. Thanks!

  10. Eric

    Nice review. You mention mortises – do you find the blade gets gummed up and overheats in a deep plunge with nowhere for the dust to go? I never considered plunge cutting with an OMT for a through tenon joint and now it seems so obvious. Thanks!

    1. Charlie

      It didn’t gum up at all. It was surprisingly easy to do, so if it’s ever something I’m doing again, I’ll be reaching for the OMT for sure!

  11. Frank

    Great review Charlie.
    I really like how you can change bits quickly without any tools.
    I will really have to think about getting myself one.
    ThanX

  12. Allen Kenyon

    The 40-30 has a lot more power; but the blades from my older 3 amp Bosch won’t interchange. I bought the little adaptor washer, but that doesn’t work either. And the blades from my even older Dremmel OMT are hopeless. When you mail order additional blades you have to be sure you are getting the right ones. Bosch hasn’t updated their literature.

  13. Allen Kenyon

    The 40-30 has a lot more power; but the blades from my older 3 amp Bosch won’t interchange. I bought the little adaptor washer, but that doesn’t work either. And the blades from my even older Dremmel OMT are hopeless. When you mail order additional blades you have to be sure you are getting the right ones. Bosch hasn’t updated their literature.

  14. Profile photo of Justin
    Justin

    Great review. I’ve been trying to decide between Bosch and Fein since they’re the only ones with Starlock options. Currently I have the Milwaukee M12 OMT because I’m already invested in the batteries.

    I’ve been leaning toward the Fein but Bosch just announced the StarlockMax OMT so now I don’t know which to get.

  15. Justin

    Great review. I’ve been trying to decide between Bosch and Fein since they’re the only ones with Starlock options. Currently I have the Milwaukee M12 OMT because I’m already invested in the batteries.

    I’ve been leaning toward the Fein but Bosch just announced the StarlockMax OMT so now I don’t know which to get.

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