They are precision made to the exact standards, and as a bonus, lightly coated with oil to deliver a polished look, while also helping provide a smooth and seamless insertion into the 3/8 inch hole. EASY TO USE: Hardened steel dowel pins feature rounded and chamfered ends that insert smoothly into 3/8” holes for a secure and efficient fit – no tools required This also gives the pin corrosion resistant properties, while providing optimal oxidation protection. HEAT TREATED 9*80MM Dowel Pins Assortment Kit Precisely Shaped Hardened 1/2 x 2 HARDENED STEEL DOWEL PINS A - Hawk Fasteners When installed, they maintain pieces in a fixed and optimal placement. Whether you’re a professional or DIY enthusiast, you’ll find a vast array of uses for these reliable, precision-engineered pins. FUNCTION: Aligns hinges, joints, fixtures or machine assembly components to establish consistent results, while ensuring the structural integrity of your work pieces – also perfect for bunk bed dowel pin or shelving part replacements These solid cylindrical rods are typically used to join or align machine components; but can also be effectively utilized as pivots, hinges, plug gauges, shafts for any number of applications. They meet the dimensional standards of the ASME and are heat treated (HRC60) for hardness and damage resistance. Cotter Pin Assortments, Steel, 600 per set Commonly Used For Machine Assembly Bunk Bed Repair Panel and Fixture Alignment Table & Bench Repair Fold-Up Trays Shelving Replacement Pins Specifications Precision ground to 0., 0001”- 0., 0005” DIA accuracy tolerance range; 3/8” DIA, 4” in length Dowel Pin 4 Inch 3/8 Inch Dowel Pins Heat Treated POWERTEC 8PK 3/8" X 4" Long | Heat Treated And Precisely Shaped For Accurate Alignment 71473 P2 Hardened Steel Dowel Pins Machine Assembly Dowels