https://www.franciskirk.com/socket-products/socket-set-screws/knurled-cup-1612995289/18mm1-20mm.html
KNURLED CUP SOCKET SET SCREWS | ALL SIZES | METRIC
Metric Knurled Cup Point Socket Set Screws - All Sizes - Fast Delivery
socket set screwsall sizesknurledcupmetric
https://www.stainlesssteel-screw.com/quality-14231025-3-35mm-length-knurled-cup-point-set-screws
3-35mm Length Knurled Cup Point Set Screws
High quality 3-35mm Length Knurled Cup Point Set Screws from China, China's leading product market M2.5 Stainless Steel Set Screws product, with strict quality...
knurled cup pointlengthsetscrews
https://www.effectstool.com/product/8-32-x-5-8-knurled-thumb-screws-aluminum-plain-ful163378749028/
8-32 x 5/8 KNURLED THUMB SCREWS / Aluminum / Plain FUL163378749028 - Comprehensive Hardware and...
SluAyyx6Bygl8-32 x 5/8 KNURLED THUMB SCREWS / Aluminum / Plain FUL163378749028