A 1" Screw Post Extension when used in conjunction with an Aluminum Screw Post adds length in order to increase binding capacity as needed. We stock screw posts in 1/4" to 4" lengths. Combine this 1" extension to a 3-1/4" - 4" screw post to secure materials 4-1/4" to 5" thick. The aluminum screw posts must be purchased separately. FEATURES: Post Length: 1” Post Diameter: 0.200” Thread Diameter: 8-32 Hole Size: 7/32” Material: Aluminum Packaged: 100 sets per pack
