Can i use this on a dremel mm45?

This is to adapt blades and accessories between the newer Sonicrafters and the older Sonicrafters. I don't think it will work with the Dremel .

Well this adapter work with Dewalt oscillating tool blades?

Not sure about Dewalt blades but I have used my Rockwell with a number of third party blades using the adapter you mentioned.

Does this adapter fit Bosch blades

Does NOT fit Bosch GOP40-30 oscillating tool.

Are the nubs that stick out designed to fit in the recesses of the newer style blades or just clamp on the surface metal to hold it?

Using this adapter, I was able to use non-Rockwell configuration blades. The nibs fit in the new blades and when tightened are secure.

Rockwell Rw8942 Sonicrafter Oscillating Multitool Accessory Adaptor To Fit Other

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Description

⚡ Upgrade your Sonicrafter game—old meets new in perfect harmony!

OEM QUALITY ASSURANCE - Genuine Rockwell part ensures durability and perfect fit—no compromises on performance.
MAGNETIC BLADE STABILITY - Dual magnets and precision nubs lock blades firmly, eliminating slip during intense projects.
COST EFFECTIVE BLADE ACCESS - Unlock access to affordable aftermarket blades, saving money without sacrificing quality.
COMPACT LIGHTWEIGHT DESIGN - Slim 1.2-inch profile adds zero bulk, keeping your multitool agile and easy to handle.
UNIVERSAL COMPATIBILITY UPGRADE - Seamlessly adapt new sonicrafter blades to legacy tools—future-proof your investment.

The Rockwell RW8942 Sonicrafter Accessory Adapter is a precision-engineered OEM part that enables older Rockwell Sonicrafter models with hex interfaces to use newer, universal oscillating blades. Featuring dual magnets and molded nubs for secure blade retention, this compact metal adapter extends tool versatility, reduces blade costs, and enhances long-term usability for professionals and DIY enthusiasts alike.

Specifications

ASIN	B008X447PY
Best Sellers Rank	#274,841 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #89 in Multitool Accessories
Customer Reviews	4.7 4.7 out of 5 stars (915)
Date First Available	April 26, 2012
Included Components	attachments
Item Package Quantity	1
Item Weight	0.634 ounces
Item model number	RW8942
Manufacturer	Positec USA
Part Number	RW8942
Product Dimensions	5.31 x 0.16 x 3.35 inches

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