JIS Yellow Passivate Cr-6

Yellow Passivated
Spring Washers
Plain Washers
Hex Nuts
Flanged Hex Nuts
Flanged Lock Nuts

JIS Phil Pan w/Spring Washer Yellow Passivate Cr-6
Encapsulated spring washer fitted to the screw to save time on assembly
Spring washer is used to prevent the screw from backing out ( Loosening)
Measure from end of thread to under the head including spring washer

JIS Phil Pan w/Spring Washer Yellow Passivate Cr-6
Encapsulated spring washer fitted to the screw to save time on assembly
Spring washer is used to prevent the screw from backing out ( Loosening)
Measure from end of thread to under the head including spring washer

Screw 3mm Screw Length +0/-1.0mm Thread Pitch 0.50mm Max Head OD 5.5mm

Screw 4mm Screw Length +0/-1.0mm Thread Pitch 0.70mm Max Head OD 7mm

Screw 5mm Screw Length +0/-1.0mm Thread Pitch 0.80mm Max Head OD 9mm

Screw 6mm Screw Length +0/-1.0mm Thread Pitch 1.00mm Max Head OD 10.5mm

JIS Phil Countersunk Flat M/C Yellow Passivate Cr-6
Measure from end of thread to the top of countersunk (whole length) 

Screw 3mm Pitch 0.50mm Max Head OD 5.5mm Head Depth 1.75mm +0/-0.3

Screw 4mm Pitch 0.80mm Max Head OD 9.0mm Head Depth  2.30mm +0/-0.3

Screw 5mm Pitch 0.80mm Max Head OD 10mm Head Depth  2.80mm +0/-0.3

Screw 6mm Pitch 1.00mm Max Head OD 12mm Head Depth  3.40mm +0/-0.4