550g Electric Grain Mill Grinder, 304 Stainless Steel Flour Mill, 2000W High Speed Spice Grinder, Electric Grain Mill for Dry Wheat, Oats, Corn, Pepper and Coffee Beans

Cheap coffee grinders do this. A grain mill as suggested in the tek will produce a very even and very fine powder with minimal effort. Here is the small sized, least expensive one of the style I'm thinking of: https://www.amazon.com/Greatrue-Grinder-Electric-Stainless-Coffee/dp/B0CCD828VX/ref=sxin_30_pa_sp_phone_search_thematic_sspa?content-id=amzn1.sym.a4483352-1d2c-4e36-b02e-f3a2514288c5%3Aamzn1.sym.a4483352-1d2c-4e36-b02e-f3a2514288c5&crid=8NJI71EGVY2B&cv_ct_cx=lab+grain+mill&dib=eyJ2IjoiMSJ9.1b84IC2oHxxKCQUsoDAM3WCsGYPbR0uRP8CLSLf9mGDGjHj071QN20LucGBJIEps.QbNntG5IX_JO5Vh67qoG6gqW9Eh_P5unzuG4WAzibVE&dib_tag=se&keywords=lab+grain+mill&pd_rd_i=B0CCD828VX&pd_rd_r=619be273-5d1d-449c-b940-642d0225a29a&pd_rd_w=Fvu2q&pd_rd_wg=gyyM5&pf_rd_p=a4483352-1d2c-4e36-b02e-f3a2514288c5&pf_rd_r=WRTKGSFMWRHXZV1TPEBT&qid=1728489347&sbo=RZvfv%2F%2FHxDF%2BO5021pAnSA%3D%3D&sprefix=lab+grain+mill%2Caps%2C176&sr=1-1-ac07dfd7-5f37-4797-bcf7-0f4905c82761-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9zZWFyY2hfdGhlbWF0aWM&psc=1 However you can look and get these in a variety of larger sizes too.