McMaster 92186A890 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screw 7/8"-9 Thread Size, 4-1/2" Long, Partially Threaded 26J253 It has a hex shank

It has a hex shank and a TR20 tip size

Shipyard Maintenance Power Source Corded Guard Adjustment Toolless Adjustable Case Included No Switch Location Side Electrical Protection Soft Start Brake Type None Standards OSHA Compliant Lock-On Switch Yes Dust Management Dust Guard Tether Style Not Tether Capable Safety Features Adjustable Guard

Range of Head Sizes 1/4 in to 3/4 in

SAE or Metric SAE Number of Points 6 Material Alloy Steel Finish black oxide Output Type 6 pt Item Impact Socket Impact Rated Yes Features Ideal for Use on Stubborn or Damaged Fasteners

Series 1005P

McMaster 92186A890 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screw 7/8"-9 Thread Size, 4-1/2" Long, Partially Threaded 26J253 It has a hex shankMore corrosion resistant than 18 8 stainless steel screws, these 316 stainless steel screws have excellent resistance to chemicals and salt water. They may be mildly magnetic. Length is measured from under the head. Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you dont know the pitch or threads per inch. Screws that meet ASME, ISO (formerly DIN), or DIN specifications comply with these