Quick view 3/8-16 x 1 UnSlotted H/W Zinc Plated Swageform® (Box of 10) Box of 10. 3/8-16 x 1 UnSlotted H/W Zinc Plated Swageform® Swageform® Is THE High Performance Threadforming Screw. Swageform® thread forming screws have been superior performers in automotive, industrial, and consumer assembles for over 25... MSRP: Was: Now: $5.20 Add to Cart