There are many configurations, materials, drive head types and sizes for machine screws. As their title implies, mechanical screws are used to fasten various types of machines, tools, electrical appliances, digital devices, and many aspects of automobiles. They must be made of every fabric composed of steel, stainless steel, brass or even nylon.
Hex Nuts DIN934
Spring Lock Washers GB93
Flat Washers DIN125A
What you will get?
Anyone assortment kit include spring washer, flat washer, hex nuts and M3 or M4 or M5 or M6 countersunk machine phillips drive screws, all above will come with a plastic storage box.
M3 Assortment Kit - 340pcs
M4 Assortment Kit - 340pcs
M5 Assortment Kit - 200pcs
M6 Assortment Kit - 100pcs
Size Chart
The countersunk machine screws meet Standard GB819, distributes pressure across a wide surface, eliminating the need for a separate washer and all are passivated for added protection against oxidation and corrosion.
304 Stainless Steel
Made of stainless steel material which is sturdy and hard strength to offer good performance,
anti-rust, hardness, sturdy, clear thread.
Various Sizes
M3-0.5 x 30mm/ 35mm / 40mm/ 45mm / 50mm,
M4-0.7 x 30mm/ 35mm / 40mm/ 45mm / 50mm,
M5-0.8 x 30mm/ 35mm / 40mm/ 45mm / 50mm,
M6-1.0 x 35mm/ 40mm/ 45mm/ 50mm / 55mm.
Wide Applications
They can be used to fasten two or more components through through holes and nuts on the back of all components. Mechanical screws are also used for a variety of electrical connections and terminal blocks. They are also used to hold many small gaskets sandwiched in between, such as waterproof motor housings. They can also be screwed into threaded metal inserts, which are firmly fixed in the plastic part.