The Feser 40mm Replacement Fan Screw 4-Pack is a replacement pack of screws for mounting fans to your Feser Xchanger and allowing for other items, for example fan grills + case panel + silencers

Head Style:	Flat
Flat Style:	Flat
Material Type:	Steel
Finish:	Zinc-Plated
Steel Type:	Plain Steel
Self Locking Element:	None
Drive Style:	Phillips
System of Measurement:	Metric
Metric Thread Size:	M3
Metric Thread Pitch:	.5 mm
Thread Length:	Fully Threaded
Length:	40 mm
Head Angle:	90 Degrees
Undercut Head:	No
Head Diameter:	5.6 mm
Head Height:	1.65 mm
Drive:	#1
Rockwell Hardness:	B71
Minimum Tensile Strength:	58,000 psi
Thread Fit:	Class 6h
Specifications Met:	Deutsche Industrie Normen (DIN)
DIN Specification:	DIN 965
Screw Quantity:	Individual Screw