iExcell 50 Pcs M4 x 20/25/30/35/40 mm Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish
Brand: iexcell
✔  Meets/exceeds: DIN 912, ISO 4762
✔  Material of Screws: 12.9 grade alloy steel, hardness: HRC 39-44, tensile strength: 1220N/mm²
✔  Screws Rust proof: black oxide finish, covered with anti-rust oil
✔  These screws and Hex Key come in a separated girds storage case
[ Sizes ] ------------[ Thread Length ]-----[ Total Length ]
M4 x 20mm-----------20mm--------------24mm
M4 x 25mm-----------25mm--------------29mm
M4 x 30mm-----------30mm--------------34mm
M4 x 35mm-----------35mm--------------39mm
M4 x 40mm-----------40mm--------------44mm
Package Contains:
M4 x 20mm---------10 Pcs
M4 x 25mm---------10 Pcs
M4 x 30mm---------10 Pcs
M4 x 35mm---------10 Pcs
M4 x 40mm---------10 Pcs
Hex Key ---------1 Pcs
Total: 51 Pcs
About Hex Socket Drives
Hex Socket drives, also known as Internal hex drives, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen wrench
About Socket Cap Head
Socket Cap Head screws, also known as Allen head screws, 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
✔ Screw Head Style: Socket Cap, Screw Drive: Hex Socket, Hex Size: 3.0 mm
✔ Head Diameter : 7.20 mm, Head Height : 4.0 mm; Thread Dia. : 4mm, Thread Pitch : 0.7mm;
✔ 5 Sizes : M4 x 20mm ,M4 x 25mm, M4 x 30mm, M4 x 35mm, M4 x 40mm, Fully Threaded
✔ Includes 1 Pcs Hex Key , Hex Size 3.0 mm, to Drives These Screws Easily
✔ Package Contains: 50 Pcs Hex Socket Head Cap Screws and 1 Pcs Hex Key, Come in a Separated Girds Storage Case