Screws, Bolts

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Screw Head Type	Drive Type	Features	Thread Size	Head Diameter	Head Height	Length - Below Head	Length - Overall	Material	Plating

9900 MACHINE SCREW PAN PHILLIPS 4-40 Keystone Electronics	157,578 In Stock 228,500 Factory	1 : ¥1.06000 Bulk	-	Bulk	Active	Machine Screw	Pan Head	Phillips	-	#4-40	-	0.065" (1.65mm)	0.250" (6.35mm) 1/4"	0.315" (8.00mm)	Stainless Steel	-
010440WF025 FILLISTER PHILLIPS SCREW 4-40 TH Essentra Components	36,517 In Stock	1 : ¥0.85000 Bulk	MicroPlastics	Bulk	Active	Machine Screw	Pan Head	Phillips	-	#4-40	-	-	0.250" (6.35mm) 1/4"	0.445" (11.30mm)	Nylon	-
PMS 440 0025 PH MACHINE SCREW PAN PHILLIPS 4-40 B&F Fastener Supply	16,494 In Stock	100 : ¥1.16060 Bulk	-	Bulk	Active	Machine Screw	Pan Head	Phillips	-	#4-40	-	0.075" (1.91mm)	0.250" (6.35mm) 1/4"	0.325" (8.26mm)	Steel	Zinc
9502 MACH SCREW FLAT SLOTTED #4-40 Keystone Electronics	1,058 In Stock 7,900 Factory	1 : ¥1.76000 Bulk	-	Bulk	Active	Machine Screw	Flat Head	Slotted	-	#4-40	-	-	-	0.500" (12.70mm) 1/2"	Steel	Zinc
4862 MACH SCREW FLAT PHILLIPS #4-40 Pomona Electronics	3,692 In Stock	1 : ¥2.30000 Bulk	-	Bulk	Active	Machine Screw	Flat Head	Phillips	-	#4-40	0.220" (5.59mm)	-	-	0.250" (6.35mm) 1/4"	Steel	Zinc
020440B050 100 SLOTTED CSK SCREW 4-40 THREA Essentra Components	0 In Stock Check Lead Time	1 : ¥1.11000 Bulk	MicroPlastics	Bulk	Active	Machine Screw	Flat Head	Slotted	-	#4-40	-	-	-	0.500" (12.70mm) 1/2"	Nylon	-

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A screw is a conical fastener consisting of a protruding helix around a central shaft that acts as a wedge as it pushes into the fastened material. They are identified by head types such as cheese, flat, hex, knob, truss and pan. Bolts are cylindrical, threaded fasteners for the assembly of non-threaded components with the aid of a nut. They are identified by head types such as binding, cheese, flat, hex, oval, pan, round, spade and truss.