Allied Bolt - PART# 2920

• Self-Drilling screws are used to “tap” their own mating internal thread when driven into metallic materials. Self Drilling do not require a predrilled hole.
• Case hardened so surface after tempering ranges from Rockwell Hardness of C52-58.
• Core hardness after tempering ranges from Rockwell Hardness of C32-40.
• Zinc plated to meet ASTM Specification F1941.
• Screws conform to the dimensions of IFI-113.

Standard Packaging Information