Alibaba.com offers 2788 4mm threaded ball products. A wide variety of 4mm threaded ball options are available to you such as material certification.
Amazon.com: Painful Pleasures 6g Internal Replacement Ball - Internally Threaded Steel Ball 2.0mm Threading - 4mm ~ 6g - 11mm ~ 7/16" - 2mm Threading : Clothing Shoes & Jewelry
16g End Beads 10 Pack 4mm 316L Surgical Steel Ball Ends for Externally Threaded 16 Gauge Barbell Body Jewelry Spare Parts Extra Replacement BodyJewelryEnvy 5 out of 5 stars (4162)
These balls are not magnetic. Pack of 20 stainless steel (304 steel) 8mm (5/16 inch) balls with 3 quarter drilled hole threaded to take 4mm (approx 5/32 inch) threaded rod. Each ball has been hand threaded onto a 4mm threaded rod to test it fits. Please note: You are purchasing a pack of 20
High quality AISI304 Drilled 20mm 25.4mm Threaded Stainless Steel Balls With Hole from China China's leading AISI304 Steel Ball With Hole product with strict quality control 20mm Steel Ball With Hole factories producing high quality 25.4mm Steel Ball With Hole products.