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February, 1917 THE MARINE REVIEW 17 Pan Head, Swell Neck Cone Head, Straight Ne k Champion Says: The great advantage of using Swell Neck Rivets for Marine purposes is freely acknowledged by all the leading Ship Build- ers, and endorsed by them in their regular practice. These rivets are made to fill holes in punched plates. The diameter of the punched hole on the die side is always slightly larger than the hole on the punched side. In other words, the punched hole is of conical shape. In assembling, the plates are reversed, and by the use of Swell Neck Rivets the holes are completely filled, and the production is increased to a maximum, while the loss occa- sioned by loose rivets is reduced to a minimum. The strength of the joint is further increased by the use of steel made according to Lloyd’s, or U.S. Navy Specifications, which adds at least 5,000 pounds to the shearing strength, and 10,000 pounds to the tensile strength. | Our rivets conform strictly to specifications. We carry the largest stock of rivet bars and made up rivets in the world. ALL SIZES ALL LENGTHS Driven Rivet — Te eameAhY | Please mention THE MARINE Review when writing to Advertisers