5/16" Head Diam, 3/8" Shank Diam, 6" Overall Length, Counterbore Pilot MPN:186-13

Welcome to the Nation's Largest Veteran-Owned Online Store. We offer 4+ million products with 100% free shipping across the following categories: industrial, construction, plumbing, HVAC, electrical, welding, material handling, machining, facility maintenance, power tools, fasteners, hardware, office supplies, computers, electronics, furniture, appliances and more. We proudly serve government buyers (local, state, federal), small to medium size businesses, government contractors, healthcare enterprises, academic institutions, veterans/military/first-responders and DIY heroes.  As a socially responsible business, we contribute a portion of each sale to veteran non-profit causes of national significance.  Established in January, 2013, we have a A+ BBB-accreditation and we're one of the fastest growing private businesses in the USA. Our diversity certifications include: SBA Certified SDVOSB, New York State SDVOB, Florida VBE, & Disability:IN SDV-DOBE.