glarks 510pcs m3 m4 m5 12.9 grade alloy steel socket cap screws with nuts assortment kit, black oxide finish glarks <b>glarks 510pcs m3 m4 m5 12.9 grade alloy steel socket cap bolts screws with nuts assortment kit, black oxide finish</b><br/><br/> <b>product type:</b> high precision socket cap bolts screws<br/> <b>material:</b> made of 12.9 grade alloy steel; color: black <br/> <b>feature:</b> socket cap screws are threaded fasteners that have a cap head with an internal socket drive for installing in areas <br/>with limited side clearance and makes it not easy to slip, convenient to install and remove<br/> <b>application:</b> perfect for interior renovation, mechanical installation communication equipments and ship assembly<br/><br/> <b>package include:</b><br/> m3 x 8 ------------ 30pcs<br/> m3 x 12 ----------- 30pcs<br/> m3 x 16 ----------- 30pcs<br/> m3 x 20 ----------- 30pcs<br/> m3 nuts ----------- 100pcs<br/><br/> m4 x 8 ------------ 25pcs<br/> m4 x 12 ----------- 25pcs<br/> m4 x 16 ----------- 20pcs<br/> m4 x 20 ----------- 20pcs<br/> m4 nuts ----------- 80pcs<br/><br/> m5 x 8 ------------ 15pcs<br/> m5 x 12 ----------- 15pcs<br/> m5 x 16 ----------- 15pcs<br/> m5 x 20 ----------- 15pcs<br/> m5 nuts ----------- 60pcs<br/><br/> <b>this set of fasteners includes several different sizes of screws and nuts that are very common used size, make your life convenient</b><br/> due to manual measurement, there may be errors, please don't mind.<br/>