Specifications include, but are not limited to: The Department of Transportation and Public Facilities, Statewide Contracting and Procurement, is soliciting bids for the purchase of Dual Carbide Grader, Wing, and Plow Blades for delivery to various locations within Alaska for the Department of Transportation and Public facilities. There is One Lot. For this single lot, the State will only accept bids for products produced by the following manufacturers: 1. Caterpillar 2. Kennemetal 3. Black Cat 4. Bucyrus 5. Valk Manufacturing 6. Kueper; Only parts designed for the purpose they are being used, and warranted as new, may be used in the repair of State equipment. DUAL OR PAIRED CARBIDE INSERT BLADES • Blades shall be flat, hot-rolled steel, must meet or exceed SAE 1020 specifications. • Blades shall be top punched 1.5” inches from the top of the blade to the center of the line of bolt holes. The first two holes on each end of the blade shall be 3” inches apart, center-to-center, the remaining holes shall be 6” inches apart center-to-center. Example: (3”-3”-6”-6”-6”-6”-3”-3”). • The top edge of the blade (opposite the carbide edge) shall be beveled at a 32 degree angle leaving an approximately .34 inch blunt dimension at the end of the blade to fit to motor grader moldboards. • There shall either be two rows of Tungsten carbide inserts or paired carbide inserts that is brazed into an openfaced recess along the entire bottom edge of the blade. • If offering two rows of Tungsten Carbide inserts, the front row of inserts shall be rectangular and measure approximately .75” inches high x .32” inches thick with each insert approximately 2” inches long. • If offering a paired carbide insert, the inserts must measure approximately .75” inches high x .32” inches thick with each insert approximately 2” inches long. • The front row of inserts shall be a grade SP341 Macro crystalline type WC, tungsten carbide insert with a hardness of 83.5 - 85.0 on the Rockwell “A” scale.
