Screws - Countersunk - Socket - Steel - Zinc Plated

13 Products in this selection
  • Flat Head Countersunk UNC - UNF - METRIC
  • Imperial Sizes to ANSI B18.3.
  • Metric Sizes to DIN7991.
  • Rc38-42
  • ASTM F835 - alloy steel. ISO 10642.
  • The thread length indicated is the minimum. Some batches may be produced with longer threaded sections or even full threaded shanks.
Additional resources:
PDF Screws Catalogue
Washers
Nuts

A more comprehensive listing may be found on the MBA Minibearings main store at Screws - Countersunk - Socket - Steel - Zinc Plated.
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Minimum Thread Length (l) Indicative
Image
M3 (3x0.5mm)
8
mm
+/- 0.25 		Zinc Plated Steel
6.0
mm 		1.7
mm 		1046732 | SK030M-008-SK-CZ (10 Pcs) --- Countersunk Screws - M3 -3x0.5mm- 8 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 2.00 mm    Countersunk Angle: 90 °    Pitch: 0.500 mm    Threads Per Inch: 50.8 TPI    Standard: DIN7991   
Part Number: SK030M-008-SK-CZ (10 Pcs) Countersunk Screws - M3 -3x0.5mm- 8 mm - Zinc Plated Steel
28 units (280 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.50 AUD
$4.50 AUD
Per 10
Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
M3 (3x0.5mm)
8
mm
+/- 0.25 		Zinc Plated Steel
6.0
mm 		1046732 | SK030M-008-SK-CZ (10 Pcs) --- Countersunk Screws - M3 -3x0.5mm- 8 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 1.7 mm    Hex Key (s): 2.00 mm    Countersunk Angle: 90 °    Pitch: 0.500 mm    Threads Per Inch: 50.8 TPI    Standard: DIN7991   
Part Number: SK030M-008-SK-CZ (10 Pcs) Countersunk Screws - M3 -3x0.5mm- 8 mm - Zinc Plated Steel
28 units (280 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.50 AUD
$4.50 AUD
Per 10
View the product page first if you are unsure.
M3 (3x0.5mm)
16
mm
+/- 0.25 		Zinc Plated Steel
6.0
mm 		1.7
mm 		1047412 | SK030M-016-SK-CZ (10 Pcs) --- Countersunk Screws - M3 -3x0.5mm- 16 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 2.00 mm    Countersunk Angle: 90 °    Pitch: 0.500 mm    Threads Per Inch: 50.8 TPI    Standard: DIN7991   
Part Number: SK030M-016-SK-CZ (10 Pcs) Countersunk Screws - M3 -3x0.5mm- 16 mm - Zinc Plated Steel
8 units (80 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.77 AUD
$4.77 AUD
Per 10
M3 (3x0.5mm)
16
mm
+/- 0.25 		Zinc Plated Steel
6.0
mm 		1047412 | SK030M-016-SK-CZ (10 Pcs) --- Countersunk Screws - M3 -3x0.5mm- 16 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 1.7 mm    Hex Key (s): 2.00 mm    Countersunk Angle: 90 °    Pitch: 0.500 mm    Threads Per Inch: 50.8 TPI    Standard: DIN7991   
Part Number: SK030M-016-SK-CZ (10 Pcs) Countersunk Screws - M3 -3x0.5mm- 16 mm - Zinc Plated Steel
8 units (80 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.77 AUD
$4.77 AUD
Per 10
View the product page first if you are unsure.
M3 (3x0.5mm)
45
mm
+/- 0.25 		Zinc Plated Steel
6.0
mm 		1.7
mm 		1048056 | SK030M-045-SK-CZ (5 Pcs) --- Countersunk Screws - M3 -3x0.5mm- 45 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 2.00 mm    Countersunk Angle: 90 °    Pitch: 0.500 mm    Threads Per Inch: 50.8 TPI    Standard: DIN7991   
Part Number: SK030M-045-SK-CZ (5 Pcs) Countersunk Screws - M3 -3x0.5mm- 45 mm - Zinc Plated Steel
17 units (85 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$3.68 AUD
$3.68 AUD
Per 5
M3 (3x0.5mm)
45
mm
+/- 0.25 		Zinc Plated Steel
6.0
mm 		1048056 | SK030M-045-SK-CZ (5 Pcs) --- Countersunk Screws - M3 -3x0.5mm- 45 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 1.7 mm    Hex Key (s): 2.00 mm    Countersunk Angle: 90 °    Pitch: 0.500 mm    Threads Per Inch: 50.8 TPI    Standard: DIN7991   
Part Number: SK030M-045-SK-CZ (5 Pcs) Countersunk Screws - M3 -3x0.5mm- 45 mm - Zinc Plated Steel
17 units (85 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$3.68 AUD
$3.68 AUD
Per 5
View the product page first if you are unsure.
M4 (4x0.7mm)
8
mm
+/- 0.25 		Zinc Plated Steel
8.0
mm 		2.3
mm 		1054114 | SK040M-008-SK-CZ (10 Pcs) --- Countersunk Screws - M4 -4x0.7mm- 8 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 2.50 mm    Countersunk Angle: 90 °    Pitch: 0.700 mm    Threads Per Inch: 36.29 TPI    Standard: DIN7991   
Part Number: SK040M-008-SK-CZ (10 Pcs) Countersunk Screws - M4 -4x0.7mm- 8 mm - Zinc Plated Steel
8 units (80 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.50 AUD
$4.50 AUD
Per 10
M4 (4x0.7mm)
8
mm
+/- 0.25 		Zinc Plated Steel
8.0
mm 		1054114 | SK040M-008-SK-CZ (10 Pcs) --- Countersunk Screws - M4 -4x0.7mm- 8 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 2.3 mm    Hex Key (s): 2.50 mm    Countersunk Angle: 90 °    Pitch: 0.700 mm    Threads Per Inch: 36.29 TPI    Standard: DIN7991   
Part Number: SK040M-008-SK-CZ (10 Pcs) Countersunk Screws - M4 -4x0.7mm- 8 mm - Zinc Plated Steel
8 units (80 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.50 AUD
$4.50 AUD
Per 10
View the product page first if you are unsure.
M5 (5x0.8mm)
12
mm
+/- 0.25 		Zinc Plated Steel
10.0
mm 		2.8
mm 		1063330 | SK050M-012-SK-CZ (10 Pcs) --- Countersunk Screws - M5 -5x0.8mm- 12 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 3.00 mm    Countersunk Angle: 90 °    Pitch: 0.800 mm    Threads Per Inch: 31.75 TPI    Standard: DIN7991   
Part Number: SK050M-012-SK-CZ (10 Pcs) Countersunk Screws - M5 -5x0.8mm- 12 mm - Zinc Plated Steel
7 units (70 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.50 AUD
$4.50 AUD
Per 10
M5 (5x0.8mm)
12
mm
+/- 0.25 		Zinc Plated Steel
10.0
mm 		1063330 | SK050M-012-SK-CZ (10 Pcs) --- Countersunk Screws - M5 -5x0.8mm- 12 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 2.8 mm    Hex Key (s): 3.00 mm    Countersunk Angle: 90 °    Pitch: 0.800 mm    Threads Per Inch: 31.75 TPI    Standard: DIN7991   
Part Number: SK050M-012-SK-CZ (10 Pcs) Countersunk Screws - M5 -5x0.8mm- 12 mm - Zinc Plated Steel
7 units (70 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.50 AUD
$4.50 AUD
Per 10
View the product page first if you are unsure.
M5 (5x0.8mm)
20
mm
+/- 0.25 		Zinc Plated Steel
10.0
mm 		2.8
mm 		1064194 | SK050M-020-SK-CZ (10 Pcs) --- Countersunk Screws - M5 -5x0.8mm- 20 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 3.00 mm    Countersunk Angle: 90 °    Pitch: 0.800 mm    Threads Per Inch: 31.75 TPI    Standard: DIN7991   
Part Number: SK050M-020-SK-CZ (10 Pcs) Countersunk Screws - M5 -5x0.8mm- 20 mm - Zinc Plated Steel
9 units (90 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.77 AUD
$4.77 AUD
Per 10
M5 (5x0.8mm)
20
mm
+/- 0.25 		Zinc Plated Steel
10.0
mm 		1064194 | SK050M-020-SK-CZ (10 Pcs) --- Countersunk Screws - M5 -5x0.8mm- 20 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 2.8 mm    Hex Key (s): 3.00 mm    Countersunk Angle: 90 °    Pitch: 0.800 mm    Threads Per Inch: 31.75 TPI    Standard: DIN7991   
Part Number: SK050M-020-SK-CZ (10 Pcs) Countersunk Screws - M5 -5x0.8mm- 20 mm - Zinc Plated Steel
9 units (90 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$4.77 AUD
$4.77 AUD
Per 10
View the product page first if you are unsure.
1/4-20 UNC (6.35mm)
9.5
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
13.5
mm 		4.1
mm 		Not Specified
mm 		1072547 | SK064C-010-SK-CZ (20 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 9.5 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 1.270 mm    Threads Per Inch: 20 TPI   
Part Number: SK064C-010-SK-CZ (20 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 9.5 mm - Zinc Plated Steel
50 units (1000 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$6.77 AUD
$6.77 AUD
Per 20
1/4-20 UNC (6.35mm)
9.5
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
13.5
mm 		1072547 | SK064C-010-SK-CZ (20 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 9.5 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 1.270 mm    Threads Per Inch: 20 TPI   
Part Number: SK064C-010-SK-CZ (20 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 9.5 mm - Zinc Plated Steel
50 units (1000 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$6.77 AUD
$6.77 AUD
Per 20
View the product page first if you are unsure.
1/4-20 UNC (6.35mm)
12.7
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
13.5
mm 		4.1
mm 		Not Specified
mm 		1073484 | SK064C-013-SK-CZ (10 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 12.7 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 1.270 mm    Threads Per Inch: 20 TPI   
Part Number: SK064C-013-SK-CZ (10 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 12.7 mm - Zinc Plated Steel
20 units (200 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$5.86 AUD
$5.86 AUD
Per 10
1/4-20 UNC (6.35mm)
12.7
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
13.5
mm 		1073484 | SK064C-013-SK-CZ (10 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 12.7 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 1.270 mm    Threads Per Inch: 20 TPI   
Part Number: SK064C-013-SK-CZ (10 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 12.7 mm - Zinc Plated Steel
20 units (200 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$5.86 AUD
$5.86 AUD
Per 10
View the product page first if you are unsure.
1/4-28 UNF (6.35mm)
12.7
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
13.5
mm 		4.1
mm 		Not Specified
mm 		1075988 | SK064F-013-SK-CZ (10 Pcs) --- Countersunk Screws - 1/4-28 UNF -6.35mm- 12.7 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-013-SK-CZ (10 Pcs) Countersunk Screws - 1/4-28 UNF -6.35mm- 12.7 mm - Zinc Plated Steel
9 units (90 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$5.86 AUD
$5.86 AUD
Per 10
1/4-28 UNF (6.35mm)
12.7
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
13.5
mm 		1075988 | SK064F-013-SK-CZ (10 Pcs) --- Countersunk Screws - 1/4-28 UNF -6.35mm- 12.7 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-013-SK-CZ (10 Pcs) Countersunk Screws - 1/4-28 UNF -6.35mm- 12.7 mm - Zinc Plated Steel
9 units (90 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$5.86 AUD
$5.86 AUD
Per 10
View the product page first if you are unsure.
1/4-28 UNF (6.35mm)
31.8
mm
+ 0.0 / - 1.02 		Zinc Plated Steel
13.5
mm 		4.1
mm 		Not Specified
mm 		1076092 | SK064F-032-SK-CZ (5 Pcs) --- Countersunk Screws - 1/4-28 UNF -6.35mm- 31.8 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-032-SK-CZ (5 Pcs) Countersunk Screws - 1/4-28 UNF -6.35mm- 31.8 mm - Zinc Plated Steel
16 units (80 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$6.77 AUD
$6.77 AUD
Per 5
1/4-28 UNF (6.35mm)
31.8
mm
+ 0.0 / - 1.02 		Zinc Plated Steel
13.5
mm 		1076092 | SK064F-032-SK-CZ (5 Pcs) --- Countersunk Screws - 1/4-28 UNF -6.35mm- 31.8 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-032-SK-CZ (5 Pcs) Countersunk Screws - 1/4-28 UNF -6.35mm- 31.8 mm - Zinc Plated Steel
16 units (80 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$6.77 AUD
$6.77 AUD
Per 5
View the product page first if you are unsure.
5/16-18 UNC (7.94mm)
12.7
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
16.7
mm 		5.0
mm 		Not Specified
mm 		1078553 | SK079C-013-SK-CZ (10 Pcs) --- Countersunk Screws - 5/16-18 UNC -7.94mm- 12.7 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-013-SK-CZ (10 Pcs) Countersunk Screws - 5/16-18 UNC -7.94mm- 12.7 mm - Zinc Plated Steel
5 units (50 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$6.95 AUD
$6.95 AUD
Per 10
5/16-18 UNC (7.94mm)
12.7
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
16.7
mm 		1078553 | SK079C-013-SK-CZ (10 Pcs) --- Countersunk Screws - 5/16-18 UNC -7.94mm- 12.7 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-013-SK-CZ (10 Pcs) Countersunk Screws - 5/16-18 UNC -7.94mm- 12.7 mm - Zinc Plated Steel
5 units (50 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$6.95 AUD
$6.95 AUD
Per 10
View the product page first if you are unsure.
5/16-18 UNC (7.94mm)
19.1
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
16.7
mm 		5.0
mm 		Not Specified
mm 		1078809 | SK079C-019-SK-CZ (5 Pcs) --- Countersunk Screws - 5/16-18 UNC -7.94mm- 19.1 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-019-SK-CZ (5 Pcs) Countersunk Screws - 5/16-18 UNC -7.94mm- 19.1 mm - Zinc Plated Steel
14 units (70 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$3.95 AUD
$3.95 AUD
Per 5
5/16-18 UNC (7.94mm)
19.1
mm
+ 0.0 / - 0.76 		Zinc Plated Steel
16.7
mm 		1078809 | SK079C-019-SK-CZ (5 Pcs) --- Countersunk Screws - 5/16-18 UNC -7.94mm- 19.1 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-019-SK-CZ (5 Pcs) Countersunk Screws - 5/16-18 UNC -7.94mm- 19.1 mm - Zinc Plated Steel
14 units (70 pcs) Available Now | Further orders can be expected around Tue, Jun 17, 2025
$3.95 AUD
$3.95 AUD
Per 5
View the product page first if you are unsure.
M8 (8x1.25mm)
45
mm
+/- 0.25 		Zinc Plated Steel
16.0
mm 		4.4
mm 		1083934 | SK080M-045-SK-CZ (5 Pcs) --- Countersunk Screws - M8 -8x1.25mm- 45 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Hex Key (s): 5.00 mm    Countersunk Angle: 90 °    Pitch: 1.250 mm    Threads Per Inch: 20.32 TPI    Standard: DIN7991   
Part Number: SK080M-045-SK-CZ (5 Pcs) Countersunk Screws - M8 -8x1.25mm- 45 mm - Zinc Plated Steel
174 units (870 pcs) Available Now | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$2.14 AUD
$9.01 AUD $2.14 AUD
Per 5
M8 (8x1.25mm)
45
mm
+/- 0.25 		Zinc Plated Steel
16.0
mm 		1083934 | SK080M-045-SK-CZ (5 Pcs) --- Countersunk Screws - M8 -8x1.25mm- 45 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Max Head Height: 4.4 mm    Hex Key (s): 5.00 mm    Countersunk Angle: 90 °    Pitch: 1.250 mm    Threads Per Inch: 20.32 TPI    Standard: DIN7991   
Part Number: SK080M-045-SK-CZ (5 Pcs) Countersunk Screws - M8 -8x1.25mm- 45 mm - Zinc Plated Steel
174 units (870 pcs) Available Now | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$2.14 AUD
$9.01 AUD $2.14 AUD
Per 5