Knurled Thumb Screws Step Head Nickel Plated Steel - M3, M4, M5, M6, M8 | 6-50mm
Nickel Plated Steel Knurled Step Head Thumb Screws - M3, M4, M5, M6, M8 | 6-50mm. The knurled step head design improves grip, making fastening effortless. Discover the versatility of knurled step-head thumbscrews.