Countersink – a cutting tool whose function is to enlarge or otherwise change the shape of a hole along some portion of its length, or to face the surface around the hole.
90° and 120° TRIMMING COUNTERSINKER
| Size | for holes Ø [mm] |
Ø D [ mm ] |
Ø d [ mm ] |
L [ mm ] |
|---|---|---|---|---|
| 5 | 2 – 5 mm | 10 | 6 | 46 |
| 10 | 5 – 10 mm | 14 | 8 | 55 |
| 15 | 10 – 15 mm | 21 | 10 | 65 |
| 20 | 15 – 20 mm | 28 | 12 | 85 |
| 25 | 20 – 25 mm | 30 | 15 | 95 |
90° TAPER COUNTERSINK 1-FLUTE
| Size Ø of countersink |
Total length |
Ø Grip |
|---|---|---|
| 8 | 50 | 8 |
| 12,5 | 50 | 8 |
| 16 | 56 | 10 |
| 20 | 60 | 10 |
| 25 | 75 | 12 |
| 31,5 | 80 | 12 |
NWSa 60° DIN 334A
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
ø d [ mm ] |
|---|---|---|---|
| 8 | 1,6 | 50 | 8 |
| 10 | 1,8 | 50 | 8 |
| 12,5 | 2 | 50 | 8 |
| 16 | 3,2 | 60 | 10 |
| 20 | 5 | 63 | 10 |
| 25 | 7 | 69 | 10 |
NWSb 60° DIN 334B
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
Morse’a |
|---|---|---|---|
| 16 | 3,2 | 100 | 1 |
| 20 | 5 | 120 | 2 |
| 25 | 7 | 125 | 2 |
| 31,5 | 9 | 132 | 2 |
| 40 | 12 | 160 | 2 |
| 50 | 16 | 170 | 3 |
| 63 | 20 | 200 | 3 |
| 80 | 25 | 215 | 4 |
DIN 334C 60°
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
ø d [ mm ] |
|---|---|---|---|
| 6,3 | 1,6 | 45 | 5 |
| 8 | 2 | 50 | 6 |
| 12,5 | 3,2 | 56 | 8 |
| 16 | 4 | 63 | 10 |
| 20 | 5 | 67 | 10 |
| 25 | 6,3 | 71 | 10 |
DIN 334D 60°
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
ø d [ mm ] |
|---|---|---|---|
| 16 | 4 | 90 | 1 |
| 20 | 5 | 106 | 2 |
| 25 | 63 | 112 | 2 |
| 31,5 | 10 | 118 | 2 |
| 40 | 12,5 | 150 | 3 |
| 50 | 16 | 160 | 3 |
| 63 | 20 | 180 | 4 |
| 80 | 25 | 200 | 4 |
NWSa 90° DIN 335A
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
ø d [ mm ] |
|---|---|---|---|
| 8 | 1,5 | 8 | 48 |
| 10 | 1,8 | 8 | 48 |
| 12,5 | 2 | 8 | 48 |
| 16 | 3,2 | 10 | 56 |
| 20 | 5 | 10 | 60 |
| 23 | 7 | 10 | 65 |
NWSb 90° DIN 335B
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
Morse’a |
|---|---|---|---|
| 16 | 3,2 | 95 | 1 |
| 20 | 5 | 116 | 2 |
| 25 | 7 | 118 | 2 |
| 31,5 | 9 | 122 | 2 |
| 40 | 12 | 150 | 2 |
| 50 | 16 | 155 | 3 |
| 63 | 20 | 185 | 3 |
| 80 | 25 | 196 | 4 |
DIN 335C 90°
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
ø d [ mm ] |
|---|---|---|---|
| 6,3 | 1,5 | 45 | 5 |
| 8,3 | 2 | 50 | 6 |
| 10,4 | 2,5 | 50 | 6 |
| 12,4 | 2,8 | 59 | 8 |
| 16,5 | 3,2 | 60 | 10 |
| 20,5 | 3,5 | 62 | 10 |
| 25 | 3,8 | 65 | 10 |
| 31 | 4,2 | 71 | 12 |
DIN 335D 90°
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
Morse’a |
|---|---|---|---|
| 16,5 | 3,2 | 85 | 1 |
| 20,5 | 3,5 | 100 | 2 |
| 25 | 3,8 | 106 | 2 |
| 30 | 4,2 | 112 | 2 |
| 34 | 4,5 | 118 | 2 |
| 40 | 10 | 140 | 3 |
| 50 | 14 | 150 | 3 |
| 63 | 16 | 180 | 4 |
NWSa 120° DIN 347A
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
ø d [ mm ] |
|---|---|---|---|
| 6,3 | 1,5 | 45 | 5 |
| 8,3 | 2 | 50 | 6 |
| 10,4 | 2,5 | 50 | 6 |
| 12,4 | 2,8 | 59 | 8 |
| 16,5 | 3,2 | 60 | 10 |
| 20,5 | 3,5 | 62 | 10 |
| 25 | 3,8 | 65 | 10 |
| 31 | 4,2 | 71 | 12 |
NWSb 120° DIN 347B
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
Morse’a |
|---|---|---|---|
| 16 | 3,2 | 100 | 1 |
| 20 | 5 | 125 | 2 |
| 25 | 7 | 122 | 2 |
| 31,5 | 9 | 124 | 2 |
| 40 | 12 | 150 | 2 |
| 50 | 16 | 153 | 3 |
| 63 | 20 | 185 | 3 |
| 80 | 25 | 196 | 4 |
DIN 347C 120°
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
ø d [ mm ] |
|---|---|---|---|
| 6,3 | 1,5 | 45 | 5 |
| 8 | 2 | 50 | 8 |
| 10,4 | 2,5 | 50 | 10 |
| 12,4 | 2,8 | 59 | 12 |
| 16,5 | 3,2 | 60 | 12 |
| 20,5 | 3,5 | 62 | 12 |
| 25 | 3,8 | 65 | 12 |
DIN 347D 120°
| ø D [ mm ] |
ø D1 [ mm ] |
L [ mm ] |
Morse’a |
|---|---|---|---|
| 16,5 | 3,2 | 95 | 1 |
| 20,5 | 3,5 | 110 | 2 |
| 25 | 3,8 | 116 | 2 |
| 30 | 4,2 | 122 | 2 |
| 34 | 4,5 | 128 | 2 |
| 40 | 10 | 150 | 3 |
| 50 | 14 | 160 | 3 |
| 63 | 16 | 190 | 4 |
| 80 | 22 | 100 | 4 |
DIN 373 NWCa
– countersink with fixed pilot and cylindrical shank
| GUIDED IN A TAPPED HOLE | ||||||
|---|---|---|---|---|---|---|
| for thread | øD (z9) x ød (e8) [ mm ] | ød1 (h9)[ mm ] | I [ mm ] | l 1 [ mm ] | l 2 [ mm ] | L [ mm ] |
| M3 | 6,5 x 2,5 | 5 | 14 | 3 | 31,5 | 71 |
| M3.5 | 6,5 x 2,9 | 5 | 14 | 3,5 | 31,5 | 71 |
| M4 | 8 x 3,3 | 5 | 14 | 4 | 31,5 | 71 |
| M5 | 10 x 4,2 | 8 | 18 | 5 | 35,5 | 80 |
| M6 | 11 x 5 | 8 | 18 | 6 | 35,5 | 80 |
| M8 | 15 x 6,8 | 12,5 | 22 | 8 | 40 | 100 |
| M10 | 18 x 8,5 | 12,5 | 22 | 10 | 40 | 100 |
| M12 | 20 x 10,2 | 12,5 | 22 | 12 | 40 | 100 |
| (f) – FOR THROUGH HOLES | ||||||
| for thread | øD (z9) x ød (e8) [ mm ] | ød1 (h9) [ mm ] | I [ mm ] | l 1 [ mm ] | l 2 [ mm ] | L [ mm ] |
| M3 | 6,5 x 3,2 | 5 | 14 | 3 | 31,5 | 71 |
| M3.5 | 6,5 x 3,7 | 5 | 14 | 3.5 | 31,5 | 71 |
| M4 | 8 x 4,3 | 5 | 14 | 4 | 31,5 | 71 |
| M5 | 10 x 5,3 | 8 | 18 | 5 | 35,5 | 80 |
| M6 | 11 x 6,4 | 8 | 18 | 6 | 35,5 | 80 |
| M8 | 15 x 8,4 | 12,5 | 22 | 8 | 40 | 100 |
| M10 | 18 x 10,5 | 12,5 | 22 | 10 | 40 | 100 |
| M12 | 20 x 13 | 12,5 | 22 | 12 | 40 | 100 |
| (m) – GUIDED IN A MEDIUM-TOLERANCE CLEARANCE HOLE | ||||||
| for thread | øD (z9) x ød (e8) [ mm ] | ød1 (h9) [ mm ] | I [ mm ] | l 1 [ mm ] | l 2 [ mm ] | L [ mm ] |
| M3 | 6 x 3,4 | 5 | 14 | 3 | 31,5 | 71 |
| M3.5 | 6,5 x 3,9 | 5 | 14 | 3.5 | 31,5 | 71 |
| M4 | 8 x 4,5 | 5 | 14 | 4 | 31,5 | 71 |
| M5 | 10 x 5,5 | 8 | 18 | 5 | 35,5 | 80 |
| M6 | 11 x 6,6 | 8 | 18 | 6 | 35,5 | 80 |
| M8 | 15 x 9 | 12.5 | 22 | 8 | 40 | 100 |
| M10 | 18 x 11 | 12.5 | 22 | 10 | 40 | 100 |
| M12 | 20 x 14 | 12.5 | 22 | 12 | 40 | 100 |
DIN 373 NWCb
– countersink with fixed pilot and tapered shank
| GUIDED IN A TAPPED HOLE | |||||
|---|---|---|---|---|---|
| for thread | øD(z9) x ød(e8) [ mm ] | I | I1 | MT | L |
| M10 | 18 x 8,5 | 25 | 10 | 2 | 150 |
| M12 | 20 x 10,2 | 25 | 10 | 2 | 150 |
| M14 | 24 x 12 | 30 | 14 | 2 | 160 |
| M16 | 26 x 14 | 35 | 16 | 3 | 190 |
| (f) – GUIDED IN A HIGH-PRECISION CLEARANCE HOLE | |||||
| for thread | øD(z9) x ød(e8) [ mm ] | I | I1 | MT | L |
| M10 | 18 x 10,5 | 25 | 10 | 2 | 150 |
| M12 | 20 x 13 | 25 | 12 | 2 | 150 |
| M14 | 24 x 15 | 30 | 14 | 2 | 160 |
| M16 | 26 x 17 | 35 | 16 | 3 | 190 |
| (m) – GUIDED IN A MEDIUM-TOLERANCE CLEARANCE HOLE | |||||
| for thread | øD(z9) x ød(e8) [ mm ] | I | I1 | MT | L |
| M10 | 18 x 11 | 25 | 10 | 2 | 150 |
| M12 | 20 x 14 | 25 | 10 | 2 | 150 |
| M14 | 24 x 16 | 30 | 14 | 2 | 160 |
| M16 | 26 x 18 | 35 | 16 | 3 | 190 |
SET OF COUNTERSINKS WITH INTERCHANGEABLE PILOTS M4 – M 48
| WAKO „0” KIT |
for thread | M 4 | M 5 | M 6 | M 8 | M 10 |
|---|---|---|---|---|---|---|
| cutter Ø | 8 | 10 | 11 | 15 | 18 | |
| „Pilot Ø max.” | 4,5 | 5,5 | 6,6 | 9 | 11 | |
| „Pilot Ø min.” | 4,3 | 5,3 | 6,4 | 8,4 | 10,5 | |
| Possibility of making a set with a weldon grip | ||||||
| WAKO „1” KIT |
for thread | M 12 | M 14 | M 16 | M 18 | M 20 |
| cutter Ø | 20 | 24 | 26 | 30 | 33 | |
| „Pilot Ø max.” | 14 | 16 | 18 | 20 | 11 | |
| „Pilot Ø min.” | 13 | 15 | 17 | 19 | 21 | |
| WAKO „2” KIT |
for thread | M 22 | M 24 | M 26 | M 30 |
|---|---|---|---|---|---|
| cutter Ø | 36 | 40 | 43 | 48 | |
| „Pilot Ø max.” | 24 | 26 | 30 | 33 | |
| „Pilot Ø min.” | 23 | 25 | 29 | 32 | |
| Possibility of making a set with a weldon grip | |||||
| WAKO „3” KIT |
for thread | M 33 | M 36 | M 42 | M 78 |
| cutter Ø | 53 | 57 | 66 | 76 | |
| „Pilot Ø max.” | 36 | 39 | 45 | 52 | |
| „Pilot Ø min.” | 35 | 38 | 44 | 51 | |
SET OF LONG COUNTERSINKS WITH CYLINDRICAL SHANK
NWSa, NWb, NWCa, NWCb, conical, flat countersink, 1-tooth countersink, countersink sets, push-on countersink, trimming countersink, DIN 347, DIN 355, DIN 373, DIN 375, DIN1867