iexcell 20 Pcs 1/4-20 x 3-1/4" Partially Threaded Stainless Steel 304 Hex Socket Head Cap Screws Bolts Kit

【20 Pcs 1/4-20 x 3-1/4" Hex Socket Head Cap Screws + 1 Pcs Hex Key Come In a Plastic Storage Box】

✔ Contains 20 Pcs 1/4-20 x 3-1/4" hex socket head cap screws
--Meets/exceeds: ANSI/ASME B18.3SH
--Thread size ( diameter ): 0.250"/6.36mm
--TPI: 20 teeth per inch
--Partially Threaded, Thread length: 1.25"( 31.75mm), total length(includes non-threaded part and head): 3.497"/88.82mm
--Screw head style: socket cap head, head diameter: 0.365"/9.27mm, head height 0.247"/6.27mm
--Screw drive style: hex socket drive, also known as internal hex drive, hex size: 3/16"
--Made of Stainless steel 304, high strength and anti-corrosion in various conditions
✔ Contains 1 Pcs hex key to drive these screws conveniently and easily
--Hex size: 3/16"
--Made of chrome-vanadium steel, nickel plated, higher strength, anti-rust
✔ Easy to store: 20 Pcs 1/4-20 x 3-1/4" hex socket head cap screws and 1 Pcs hex key come in a plastic storage box, organized conveniently and easily

[ Package Contains ]
1/4-20 x 3-1/4"-----20 Pcs
Hex Key------1 Pcs

[ Hex Socket Drive ]
Hex Socket Drive, also known as Internal hex drive, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen wrench
[ Socket Cap Head ]
Socket Cap Head , also known as Allen head , have a recessed drive, and are commonly used when there is not enough clearance for a conventional wrench or socket. They are fastened with an Allen wrench, which is also called a hex wrench or hex key