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What are Countersinks? 1 - 8 of 19 products in Countersinks.
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![25mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)](//img2.accu.co.uk/products/27-3394-1_md.jpg "25mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)")
![25mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)](http://img2.accu.co.uk/products/27-3394-1_md.jpg "25mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)")
25mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)
| Metric or Imperial | Metric |
| Diameter (D) | 25mm |
| Shank Diameter (d) | 12mm |
| Overall Length (L) | 67mm |
| Material | HSS [8% Cobalt] |
Save Up To 28% ![15mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)](//img3.accu.co.uk/products/27-3394-1_md.jpg "15mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)")
![15mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)](http://img3.accu.co.uk/products/27-3394-1_md.jpg "15mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)")
15mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)
| Metric or Imperial | Metric |
| Diameter (D) | 15mm |
| Shank Diameter (d) | 10mm |
| Overall Length (L) | 60mm |
| Material | HSS [8% Cobalt] |
Save Up To 28% ![10mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)](//img4.accu.co.uk/products/27-3394-1_md.jpg "10mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)")
![10mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)](http://img4.accu.co.uk/products/27-3394-1_md.jpg "10mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)")
10mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)
| Metric or Imperial | Metric |
| Diameter (D) | 10mm |
| Shank Diameter (d) | 6mm |
| Overall Length (L) | 50mm |
| Material | HSS [8% Cobalt] |
Save Up To 28% ![12.4mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)](//img1.accu.co.uk/products/27-3394-1_md.jpg "12.4mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)")
![12.4mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)](http://img1.accu.co.uk/products/27-3394-1_md.jpg "12.4mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)")
12.4mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)
| Metric or Imperial | Metric |
| Diameter (D) | 12.4mm |
| Shank Diameter (d) | 8mm |
| Overall Length (L) | 50mm |
| Material | HSS [8% Cobalt] |
Save Up To 28%
40mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)
| Metric or Imperial | Metric |
| Diameter (D) | 40mm |
| Shank Diameter (d) | 16mm |
| Overall Length (L) | 115mm |
| Material | HSS [8% Cobalt] |
Save Up To 28%
20mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)
| Metric or Imperial | Metric |
| Diameter (D) | 20mm |
| Shank Diameter (d) | 10mm |
| Overall Length (L) | 63mm |
| Material | HSS [8% Cobalt] |
Save Up To 28%
10.4mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)
| Metric or Imperial | Metric |
| Diameter (D) | 10.4mm |
| Shank Diameter (d) | 6mm |
| Overall Length (L) | 50mm |
| Material | HSS [8% Cobalt] |
Save Up To 28%
7mm 3 Flute 90 Degrees Countersink - HSS [8% Cobalt] (YG-1 C1139)
| Metric or Imperial | Metric |
| Diameter (D) | 7mm |
| Shank Diameter (d) | 6mm |
| Overall Length (L) | 50mm |
| Material | HSS [8% Cobalt] |
What are Countersinks?
Countersinks are angled cutters designed to prepare holes for use with Countersunk Screws. Countersunk fastenings allow fasteners to sit flush with a target housing.
Bespoke Countersinks Manufacture
High precision, bespoke manufacture of Countersinks to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.
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