591-06 Lock Screw$12.50 591-06 Lock Screw quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Lock Screw Related products 591-24A Replacement Needle Bushing Assembly $29.95 Add to cart 591-01-1 Air Cap Clip $2.95 Add to cart 591-14A Air Bushing Assy. $36.95 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart