Countersunk Socket Screws

Countersunk socket screws — also called countersunk bolts, countersunk Allen bolts, CSK socket screws or flat head socket screws. Hex socket (Allen key) drive and a 90° flat head that finishes flush in a countersunk hole. Made to DIN 7991 / ISO 10642.

Sold in packs from 10 with delivery included and the per-piece price shown on every pack. Pick a diameter below to see every length.

M3 Countersunk Socket ScrewsM4 Countersunk Socket ScrewsM5 Countersunk Socket ScrewsM6 Countersunk Socket ScrewsM8 Countersunk Socket Screws
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M3 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M3 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.85 pack of 10
1
M3 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M3 × 40mm
Metric
M3
40mm
304 SS
In stock
M3 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M3 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.75 pack of 10
1
M3 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M3 × 30mm
Metric
M3
30mm
304 SS
In stock
M3 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M3 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.75 pack of 10
1
M3 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M3 × 25mm
Metric
M3
25mm
304 SS
In stock
M3 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M3 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.55 pack of 10
1
M3 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M3 × 20mm
Metric
M3
20mm
304 SS
In stock
M3 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M3 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.55 pack of 10
1
M3 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M3 × 16mm
Metric
M3
16mm
304 SS
In stock
M3 x 8mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M3 x 8mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.55 pack of 10
1
M3 x 8mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M3 × 8mm
Metric
M3
8mm
304 SS
In stock
M3 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M3 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.55 pack of 10
1
M3 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M3 × 12mm
Metric
M3
12mm
304 SS
In stock
M3 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M3 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.55 pack of 10
1
M3 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M3 × 10mm
Metric
M3
10mm
304 SS
In stock
M3 x 6mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M3 x 6mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.50 pack of 10
1
M3 x 6mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M3 × 6mm
Metric
M3
6mm
304 SS
In stock
M4 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.05 pack of 10
1
M4 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 40mm
Metric
M4
40mm
304 SS
In stock
M4 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.25 pack of 10
1
M4 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 35mm
Metric
M4
35mm
304 SS
In stock
M4 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.85 pack of 10
1
M4 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 30mm
Metric
M4
30mm
304 SS
In stock
M4 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.65 pack of 10
1
M4 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 16mm
Metric
M4
16mm
304 SS
In stock
M4 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.75 pack of 10
1
M4 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 25mm
Metric
M4
25mm
304 SS
In stock
M4 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.70 pack of 10
1
M4 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 20mm
Metric
M4
20mm
304 SS
In stock
M4 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.60 pack of 10
1
M4 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 10mm
Metric
M4
10mm
304 SS
In stock
M4 x 8mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 8mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.60 pack of 10
1
M4 x 8mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 8mm
Metric
M4
8mm
304 SS
In stock
M4 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.60 pack of 10
1
M4 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 12mm
Metric
M4
12mm
304 SS
In stock
M4 x 6mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M4 x 6mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.70 pack of 10
1
M4 x 6mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M4 × 6mm
Metric
M4
6mm
304 SS
In stock
M5 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.40 pack of 10
1
M5 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 40mm
Metric
M5
40mm
304 SS
In stock
M5 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.10 pack of 10
1
M5 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 35mm
Metric
M5
35mm
304 SS
In stock
M5 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.90 pack of 10
1
M5 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 25mm
Metric
M5
25mm
304 SS
In stock
M5 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.05 pack of 10
1
M5 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 30mm
Metric
M5
30mm
304 SS
In stock
M5 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.80 pack of 10
1
M5 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 16mm
Metric
M5
16mm
304 SS
In stock
M5 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.85 pack of 10
1
M5 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 20mm
Metric
M5
20mm
304 SS
In stock
M5 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.75 pack of 10
1
M5 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 12mm
Metric
M5
12mm
304 SS
In stock
M5 x 8mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 8mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.75 pack of 10
1
M5 x 8mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 8mm
Metric
M5
8mm
304 SS
In stock
M5 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.70 pack of 10
1
M5 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 10mm
Metric
M5
10mm
304 SS
In stock
M5 x 6mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M5 x 6mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.85 pack of 10
1
M5 x 6mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M5 × 6mm
Metric
M5
6mm
304 SS
In stock
M6 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M6 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.45 pack of 10
1
M6 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M6 × 35mm
Metric
M6
35mm
304 SS
In stock
M6 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M6 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.50 pack of 10
1
M6 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M6 × 40mm
Metric
M6
40mm
304 SS
In stock
M6 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M6 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.30 pack of 10
1
M6 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M6 × 30mm
Metric
M6
30mm
304 SS
In stock
M6 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M6 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.10 pack of 10
1
M6 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M6 × 25mm
Metric
M6
25mm
304 SS
In stock
M6 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M6 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.00 pack of 10
1
M6 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M6 × 20mm
Metric
M6
20mm
304 SS
In stock
M6 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M6 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.90 pack of 10
1
M6 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M6 × 16mm
Metric
M6
16mm
304 SS
In stock
M6 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M6 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.90 pack of 10
1
M6 x 10mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M6 × 10mm
Metric
M6
10mm
304 SS
In stock
M6 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M6 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$7.85 pack of 10
1
M6 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M6 × 12mm
Metric
M6
12mm
304 SS
In stock
M8 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M8 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$13.15 pack of 10
1
M8 x 40mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M8 × 40mm
Metric
M8
40mm
304 SS
In stock
M8 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M8 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$13.05 pack of 10
1
M8 x 35mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M8 × 35mm
Metric
M8
35mm
304 SS
In stock
M8 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M8 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$12.35 pack of 10
1
M8 x 25mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M8 × 25mm
Metric
M8
25mm
304 SS
In stock
M8 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M8 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$12.65 pack of 10
1
M8 x 30mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M8 × 30mm
Metric
M8
30mm
304 SS
In stock
M8 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M8 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.60 pack of 10
1
M8 x 20mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M8 × 20mm
Metric
M8
20mm
304 SS
In stock
M8 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M8 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$9.05 pack of 10
1
M8 x 12mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M8 × 12mm
Metric
M8
12mm
304 SS
In stock
M8 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
In stock M8 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Pack size
$8.60 pack of 10
1
M8 x 16mm Countersunk Socket Screw – 304 Stainless Steel, Hex Socket, DIN 7991
Countersunk · 304SS · M8 × 16mm
Metric
M8
16mm
304 SS
In stock