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Screw Size Chart

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Metric Flat Head (countersink) Socket Screw (Black Alloy Steel)

All of our Metric hardware is sold with the standard (popular) "pitch" (thread spacing) as follows:

(M2=.4) (M2.5=.45) (M3=.5) (M4=.7) (M5=.8)

For your information, approximately 25 millimeters equals 1 inch. The first number is the width and the second number is the length. As an example, an M3x25mm is 3 millimeters wide by about 1 inch long. Also, with Flat Head screws, the length is the total length of the screw including the head.

Notice as you scroll down the list that each size is listed twice, first the small pack, and then the larger economy pack.

After entering the number of packages that you want for each item, simply click the "Add To Basket" button.

(Click the "Next" or "Previous" button at the bottom of this page to view more sizes)

Metric Flat Hd. (countersink) Skts

Click button after adding quantities!

Code Name   Price Quantity
F2004 M2x4mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.58
F2004-50 M2x4mm Flat Hd. (countersink) Skt. Screw..50pcs   $9.57
F2008 M2x8mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.80
F2008-50 M2x8mm Flat Hd. (countersink) Skt. Screw..50pcs   $10.62
F2012 M2x12mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.96
F2012-50 M2x12mm Flat Hd. (countersink) Skt. Screw..50pcs   $10.95
F2506 M2.5x6mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.69
F2506-50 M2.5x6mm Flat Hd. (countersink) Skt. Screw..50pcs   $9.08
F2508 M2.5x8mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.80
F2508-50 M2.5x8mm Flat Hd. (countersink) Skt. Screw..50pcs   $10.07
F2512 M2.5x12mm Flat Hd. (countersink) Skt. Screw..12pcs   $4.02
F2512-50 M2.5x12mm Flat Hd. (countersink) Skt. Screw..50pcs   $10.89
F2516 M2.5x16mm Flat Hd. (countersink) Skt. Screw..12pcs   $4.57
F2516-50 M2.5x16mm Flat Hd. (countersink) Skt. Screw..50pcs   $12.71
F3006 M3x6mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.75
F3006-50 M3x6mm Flat Hd. (countersink) Skt. Screw..50pcs   $8.20
F3008 M3x8mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.86
F3008-50 M3x8mm Flat Hd. (countersink) Skt. Screw..50pcs   $8.31
F3010 M3x10mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.92
F3010-50 M3x10mm Flat Hd. (countersink) Skt. Screw..50pcs   $8.53
F3012 M3x12mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.14
F3012-50 M3x12mm Flat Hd. (countersink) Skt. Screw..50pcs   $8.58
F3016 M3x16mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.19
F3016-50 M3x16mm Flat Hd. (countersink) Skt. Screw..50pcs   $8.64
F3020 M3x20mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.47
F3020-50 M3x20mm Flat Hd. (countersink) Skt. Screw..50pcs   $8.91
F3025 M3x25mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.74
F3025-50 M3x25mm Flat Hd. (countersink) Skt. Screw..50pcs   $9.52
F3030 M3x30mm Flat Hd. (countersink) Skt. Screw..12pcs   $4.07
F3030-50 M3x30mm Flat Hd. (countersink) Skt. Screw..50pcs   $10.51
F4006 M4x6mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.26
F4006-50 M4x6mm Flat Hd. (countersink) Skt. Screw..50pcs   $5.67
F4008 M4x8mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.31
F4008-50 M4x8mm Flat Hd. (countersink) Skt. Screw..50pcs   $5.83
F4010 M4x10mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.37
F4010-50 M4x10mm Flat Hd. (countersink) Skt. Screw..50pcs   $5.94
F4012 M4x12mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.48
F4012-50 M4x12mm Flat Hd. (countersink) Skt. Screw..50pcs   $6.05
F4016 M4x16mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.42
F4016-50 M4x16mm Flat Hd. (countersink) Skt. Screw..50pcs   $6.11
F4020 M4x20mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.75
F4020-50 M4x20mm Flat Hd. (countersink) Skt. Screw..50pcs   $6.93
F4025 M4x25mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.92
F4025-50 M4x25mm Flat Hd. (countersink) Skt. Screw..50pcs   $7.65
F4030 M4x30mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.41
F4030-50 M4x30mm Flat Hd. (countersink) Skt. Screw..50pcs   $8.75
F5010 M5x10mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.53
F5010-50 M5x10mm Flat Hd. (countersink) Skt. Screw..50pcs   $6.55
F5012 M5x12mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.64
F5012-50 M5x12mm Flat Hd. (countersink) Skt. Screw..50pcs   $6.82
F5016 M5x16mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.70
F5016-50 M5x16mm Flat Hd. (countersink) Skt. Screw..50pcs   $6.99
F5020 M5x20mm Flat Hd. (countersink) Skt. Screw..12pcs   $2.92
F5020-50 M5x20mm Flat Hd. (countersink) Skt. Screw..50pcs   $7.81
F5025 M5x25mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.14
F5025-50 M5x25mm Flat Hd. (countersink) Skt. Screw..50pcs   $8.14
F5030 M5x30mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.30
F5030-50 M5x30mm Flat Hd. (countersink) Skt. Screw..50pcs   $8.75
F5035 M5x35mm Flat Hd. (countersink) Skt. Screw..12pcs   $3.69
F5035-50 M5x35mm Flat Hd. (countersink) Skt. Screw..50pcs   $9.41
F5040 M5x40mm Flat Hd. (countersink) Skt. Screw..12pcs   $4.02
F5040-50 M5x40mm Flat Hd. (countersink) Skt. Screw..50pcs   $10.89