M2 M2.5 M3 M4-M12 Flat Pan Head Screws A2 Stainless Steel Hex Allen Socket Bolt. Available in sizes from M1.4 to M6 with optional 304 stainless steel. Material : 304 Stainless Steel (A2-70 Grade). 1ml - 100ml Glass Syringes Sampler Reusable Lab Injector with Luer Lock Tip.
