UNF Drill Chuck Adapter Screw Fasteners Screws Power Tool Accessories Drill Chuck Fixing Screw For 1/2inch Left Hand M6 Thread 20mm 3/8inch UNF - 13 Carbon Steel Set Screw 【Left Hand Thread】These fixing screws are designed with left hand threads, providing a secure and stable connection for UNF drill chuck shank adapters. 1/4" Hex Shank to 3/8"-24UNF Male Thread Reverse Screw Adapter for Keyless Drill Chuck - FIRSTRATE 【Resistant Metal Material】Made of high-quality metal, these screws are sturdy and resistant, ensuring long-lasting performance. Compatibility: Screws Are Compatible with General UNF Drill Chuck Shank Adapters M5*22mm and M6*22mm Dimensions Provide a Precise Fit for Stable Operation While Traveling or During Intensive Use on Metalworking Projects Specification: *Product Name: Drill Chuck Shank Adapter Screw *Material: Metal *Color: Black *Size: M5*22mm/M6*22mm *Quantity: 6pcs Package Included: 6 x Screws M1.6 x 0.35 x 2.5 MM Coarse Thread Socket Set Screw Cup Point Stainless Steel 18-8 | Industrial 【Black Color】The screws are coated in a sleek black color, adding a touch of elegance to your drill chuck shank adapter.