Countersunk Head Socket
Bolt and Nut Australia carry the largest range of Countersunk head socket screws. Countersunk head (also known as flat head) socket screws are a flat head with a tapered underside, have a hex allen drive and come either fully threaded or part thread. To determine the length measure the overall length including the head. Countersunk head socket screws are made from high tensile steel and are very popular because of their excellent tensile strength, hex allen key drive and flat head shape. We have Stainless Steel A2-70 G304, Marine Grade Stainless Steel A4-70 G316 , Zinc Plated and Plain Black in Metric coarse, American Inch threads UNC (unified national coarse), UNF (unified national fine) and BSW (british standard whitworth). Technical specifications, printable datasheets and product cad drawings available online. Delivered freight free from our Brisbane warehouse with no minimum order qty or spend.
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M2 x 0.40p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (1.27mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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M2 x 0.40p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (1.3mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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M2.5 x 0.45p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (1.5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M2.5 x 0.45p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (1.5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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M2.5 x 0.45p Metric Coarse Plain Black Uncoated Class 12.9 Countersunk Head Socket (1.5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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M3 x 0.50p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (2mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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In stock
M3 x 0.50p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (2mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M3 x 0.50p Metric Coarse Zinc Class 12.9 Countersunk Head Socket (2mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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In stock
M3 x 0.50p Metric Coarse Plain Black Uncoated Class 12.9 Countersunk Head Socket (2mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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In stock
M4 x 0.70p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (2.5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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In stock
M4 x 0.70p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (2.5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M4 x 0.70p Metric Coarse Zinc Class 12.9 Countersunk Head Socket (2.5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M4 x 0.70p Metric Coarse Plain Black Uncoated Class 12.9 Countersunk Head Socket (2.5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M5 x 0.80p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (3mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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In stock
M5 x 0.80p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (3mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M5 x 0.80p Metric Coarse Zinc Class 12.9 Countersunk Head Socket (3mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M5 x 0.80p Metric Coarse Plain Black Uncoated Class 12.9 Countersunk Head Socket (3mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M6 x 1.00p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (4mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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In stock
M6 x 1.00p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (4mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M6 x 1.00p Metric Coarse Zinc Class 12.9 Countersunk Head Socket (4mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M6 x 1.00p Metric Coarse Plain Black Uncoated Class 12.9 Countersunk Head Socket (4mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M8 x 1.25p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M8 x 1.25p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M8 x 1.25p Metric Coarse Zinc Class 12.9 Countersunk Head Socket (5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M8 x 1.25p Metric Coarse Plain Black Uncoated Class 12.9 Countersunk Head Socket (5mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M10 x 1.50p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (6mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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In stock
M10 x 1.50p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (6mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M10 x 1.50p Metric Coarse Zinc Class 12.9 Countersunk Head Socket (6mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M10 x 1.50p Metric Coarse Plain Black Uncoated Class 12.9 Countersunk Head Socket (6mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M12 x 1.75p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (8mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M12 x 1.75p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (8mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M12 x 1.75p Metric Coarse Zinc Class 12.9 Countersunk Head Socket (8mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M14 x 2.00p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (10mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M12 x 1.75p Metric Coarse Plain Black Uncoated Class 12.9 Countersunk Head Socket (8mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M16 x 2.00p Metric Coarse Stainless A2-70 G304 Countersunk Head Socket (10mm Key) Screws DIN 7991As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
M16 x 2.00p Metric Coarse Stainless A4-70 G316 Countersunk Head Socket (10mm Key) Screws ISO 10642As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
#2-56 TPI UNC Coarse Stainless A2-70 G304 Countersunk Head Socket (0.050" Key) Screws ANSI B18.3As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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In stock
#2-56 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Countersunk Head Socket (0.050" Key) Screws ANSI B 18.3As low as Select a length below to view priceSPEND DISCOUNTS APPLY
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In stock
#3-48 TPI UNC Coarse Plain Black Uncoated Grade 10.9 Countersunk Head Socket (1/16" Key) Screws ANSI B 18.3As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250 -
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In stock
#4-40 TPI UNC Coarse Stainless A2-70 G304 Countersunk Head Socket (1/16" Key) Screws ANSI B18.3As low as Select a length below to view priceSPEND DISCOUNTS APPLY
5% OFF for orders under $9910% OFF for orders between $100 and $24915% OFF for orders over $250
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