High Quality Precision #4-40 UNC Phillips Flat Head Machine Screws Assortment Kit,Meets ANSIB18.6.3 specifications. Made of 304 Stainless Steel, Anti-corrosion and strength. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using. Kit contains:#4-40 x 3/16",#4-40 x 1/4",#4-40 x 5/16",#4-40 x 3/8",#4-40 x 1/2",#4-40 x 5/8",#4-40 x 3/4",#4-40 x 7/8,#4-40 x 1"(Length is measured from the top of the head).each 20 piece,Nut 100 piece. lots of different sizes can meet your multi-needs. Phillips flat head screws which are highly versatile and are used to attached metal, wood, fiberglass, and plastic.Excellent for both indoor and outdoor use, commonly used in machinery, furniture, car and motorcycle repair and DIY inventions. Packing Quantity:280PCS,All contained in a sturdy and transparent plastic box, can be use for a storage box. Easy to install and durable to use. Guard4U #4-40 UNC Stainless Steel Phillips Flat Head Countersunk Machine Screws Nuts Assortment Kit
*The countersunk screws are mostly used in places where the surface of the parts cannot be raised after installation.They’re angled under the head to sit flush within countersunk holes.
*Made from 304 stainless steel, these screws have good chemical resistance and may be mildly magnetic.
*Length is measured from the top of the head.

*Color: Silver Tone
*Drive Type: Phillips
*Head Style: Flat Head
*Material: 304 Stainless Steel
*Thread Style: Fully Thread;
*Packed in a plastic box.

List：
Phillips Flat Head Screws #4-40 x 3/16",20 pcs
Phillips Flat Head Screws #4-40 x 1/4", 20 pcs
Phillips Flat Head Screws #4-40 x 5/16", 20 pcs
Phillips Flat Head Screws #4-40 x 3/8", 20 pcs
Phillips Flat Head Screws #4-40 x 1/2", 20 pcs
Phillips Flat Head Screws #4-40 x 5/8", 20 pcs
Phillips Flat Head Screws #4-40 x 3/4", 20 pcs
Phillips Flat Head Screws #4-40 x 7/8", 20 pcs
Phillips Flat Head Screws #4-40 x 1", 20 pcs
Stainless steel Hex Nuts #4-40: 100 pcs

Note
The Phillips Flat Head Screws length are measured from the top to the end of the thread and the thread length is the overall length minus the height of the head.