Click to expand Tap to zoom 1/4-20 x 1/2” Guide Lubrication Screw - Brass by Cutting Edge Tooling Sale $1.81 SKU GS-25-500-078 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 1/4-20 x 1/2” Guide Lubrication Screw with 5/64” ported hole Brass (Phillips head)