Sutton D1150318 3.175mm (1/8") MT1 HSS Morse Taper Shank Drill - DIN 345
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The Sutton D115 is a general purpose HSS twist drill with a Morse taper shank (DIN 345), supplied in 183 sizes from 3.175 mm to 76.2 mm across MT1 to MT5. It has a Blu (steam oxide) finish and a 118° Form A point, and is suited to materials up to 900 N/mm².
The Morse taper shank locates the drill in a matching spindle or sleeve: the taper provides the drive and alignment, and the tang at the end of the shank is used to eject the drill with a drift key. The drill has an R30 helix, an h8 diameter tolerance and a 118° Form A point.
Where this product is used
- Drilling in steel, cast iron and other materials up to 900 N/mm² on drilling machines with a Morse taper spindle.
- Machine drilling in workshops, maintenance and production, where a Morse taper shank is required.
- Applications include trade, industrial, metalworking, machine shop and MRO work.
Design features
- Morse taper shank (DIN 345): MT1 to MT5.
- HSS construction.
- Surface finish: Blu (steam oxide).
- R30 helix, 118° Form A point.
- Suitable for materials up to 900 N/mm².
- 183 sizes, 3.175 mm to 76.2 mm.
Sizes and item numbers
Each size is a single drill. Overall and flute lengths are in millimetres.
MT1 shank sizes (46 sizes, 3.175 to 14 mm)
| Diameter (mm) | Diameter (inch) | Overall length (mm) | Flute length (mm) | Sutton item no. |
|---|---|---|---|---|
| 3.175 | 1/8" | 117 | 37 | D115 0318 |
| 3.572 | 9/64" | 121 | 39 | D115 0357 |
| 3.969 | 5/32" | 123 | 43 | D115 0397 |
| 4.366 | 11/64" | 128 | 47 | D115 0437 |
| 4.76 | 3/16" | 133 | 52 | D115 0476 |
| 5.159 | 13/64" | 133 | 52 | D115 0516 |
| 5.5 | -" | 138 | 57 | D115 0550 |
| 5.556 | 7/32" | 138 | 57 | D115 0556 |
| 5.953 | 15/64" | 138 | 57 | D115 0595 |
| 6 | -" | 138 | 57 | D115 0600 |
| 6.35 | 1/4" | 144 | 63 | D115 0635 |
| 6.5 | -" | 144 | 63 | D115 0650 |
| 6.747 | 17/64" | 144 | 63 | D115 0676 |
| 7 | -" | 150 | 69 | D115 0700 |
| 7.144 | 9/32" | 150 | 69 | D115 0714 |
| 7.5 | -" | 150 | 69 | D115 0750 |
| 7.541 | 19/64" | 156 | 75 | D115 0754 |
| 7.938 | 5/16" | 156 | 75 | D115 0794 |
| 8 | -" | 156 | 75 | D115 0800 |
| 8.334 | 21/64" | 156 | 75 | D115 0833 |
| 8.5 | -" | 156 | 75 | D115 0850 |
| 8.731 | 11/32" | 162 | 81 | D115 0873 |
| 9 | -" | 162 | 81 | D115 0900 |
| 9.128 | 23/64" | 162 | 81 | D115 0913 |
| 9.5 | -" | 162 | 81 | D115 0950 |
| 9.525 | 3/8" | 168 | 87 | D115 0953 |
| 9.922 | 25/64" | 168 | 87 | D115 0992 |
| 10 | -" | 168 | 87 | D115 1000 |
| 10.319 | 13/32" | 168 | 87 | D115 1032 |
| 10.5 | -" | 168 | 87 | D115 1050 |
| 10.716 | 27/64" | 175 | 94 | D115 1072 |
| 11 | -" | 175 | 94 | D115 1100 |
| 11.112 | 7/16" | 175 | 94 | D115 1111 |
| 11.5 | -" | 175 | 94 | D115 1150 |
| 11.509 | 29/64" | 175 | 94 | D115 1151 |
| 11.906 | 15/32" | 182 | 101 | D115 1191 |
| 12 | -" | 182 | 101 | D115 1200 |
| 12.303 | 31/64" | 182 | 101 | D115 1231 |
| 12.5 | -" | 182 | 101 | D115 1250 |
| 12.7 | 1/2" | 182 | 101 | D115 1269 |
| 13 | -" | 182 | 101 | D115 1300 |
| 13.097 | 33/64" | 182 | 108 | D115 1310 |
| 13.494 | 17/32" | 189 | 108 | D115 1349 |
| 13.5 | -" | 189 | 108 | D115 1350 |
| 13.891 | 35/64" | 189 | 108 | D115 1389 |
| 14 | -" | 189 | 108 | D115 1400 |
MT2 shank sizes (41 sizes, 14.288 to 23.019 mm)
| Diameter (mm) | Diameter (inch) | Overall length (mm) | Flute length (mm) | Sutton item no. |
|---|---|---|---|---|
| 14.288 | 9/16" | 212 | 114 | D115 1429 |
| 14.5 | -" | 212 | 114 | D115 1450 |
| 14.684 | 37/64" | 212 | 114 | D115 1468 |
| 15 | -" | 212 | 114 | D115 1500 |
| 15.081 | 19/32" | 218 | 120 | D115 1508 |
| 15.478 | 39/64" | 218 | 120 | D115 1548 |
| 15.5 | -" | 218 | 120 | D115 1550 |
| 15.875 | 5/8" | 218 | 120 | D115 1588 |
| 16 | -" | 218 | 120 | D115 1600 |
| 16.272 | 41/64" | 223 | 125 | D115 1627 |
| 16.5 | -" | 223 | 125 | D115 1650 |
| 16.669 | 21/32" | 223 | 125 | D115 1667 |
| 17 | -" | 223 | 125 | D115 1700 |
| 17.066 | 43/64" | 228 | 130 | D115 1707 |
| 17.462 | 11/16" | 228 | 130 | D115 1746 |
| 17.5 | -" | 228 | 130 | D115 1750 |
| 17.859 | 45/64" | 228 | 130 | D115 1786 |
| 18 | -" | 228 | 130 | D115 1800 |
| 18.256 | 23/32" | 233 | 135 | D115 1826 |
| 18.5 | -" | 233 | 135 | D115 1850 |
| 18.653 | 47/64" | 233 | 135 | D115 1865 |
| 19 | -" | 233 | 135 | D115 1900 |
| 19.05 | 3/4" | 238 | 140 | D115 1905 |
| 19.447 | 49/64" | 238 | 140 | D115 1945 |
| 19.5 | -" | 238 | 140 | D115 1950 |
| 19.844 | 25/32" | 238 | 140 | D115 1984 |
| 20 | -" | 238 | 140 | D115 2000 |
| 20.241 | 51/64" | 243 | 145 | D115 2024 |
| 20.5 | -" | 243 | 145 | D115 2050 |
| 20.638 | 13/16" | 243 | 145 | D115 2064 |
| 21 | -" | 243 | 145 | D115 2100 |
| 21.034 | 53/64" | 243 | 145 | D115 2103 |
| 21.431 | 27/32" | 248 | 150 | D115 2143 |
| 21.5 | -" | 248 | 150 | D115 2150 |
| 21.828 | 55/64" | 248 | 150 | D115 2183 |
| 22 | -" | 248 | 150 | D115 2200 |
| 22.225 | 7/8" | 248 | 150 | D115 2223 |
| 22.5 | -" | 253 | 155 | D115 2250 |
| 22.622 | 57/64" | 253 | 155 | D115 2262 |
| 23 | -" | 253 | 155 | D115 2300 |
| 23.019 | 29/32" | 253 | 155 | D115 2302 |
MT3 shank sizes (38 sizes, 23.416 to 31.75 mm)
| Diameter (mm) | Diameter (inch) | Overall length (mm) | Flute length (mm) | Sutton item no. |
|---|---|---|---|---|
| 23.416 | 59/64" | 276 | 155 | D115 2342 |
| 23.5 | -" | 276 | 155 | D115 2350 |
| 23.812 | 15/16" | 281 | 160 | D115 2381 |
| 24 | -" | 281 | 160 | D115 2400 |
| 24.209 | 61/64" | 281 | 160 | D115 2421 |
| 24.5 | -" | 281 | 160 | D115 2450 |
| 24.606 | 31/32" | 281 | 160 | D115 2461 |
| 25 | -" | 281 | 160 | D115 2500 |
| 25.4 | 1" | 286 | 165 | D115 2540 |
| 25.5 | -" | 286 | 165 | D115 2550 |
| 25.797 | 1-1/64" | 286 | 165 | D115 2580 |
| 26 | -" | 286 | 165 | D115 2600 |
| 26.194 | 1-1/32" | 286 | 165 | D115 2619 |
| 26.5 | -" | 286 | 165 | D115 2650 |
| 26.591 | 1-3/64" | 291 | 170 | D115 2659 |
| 26.988 | 1-1/16" | 291 | 170 | D115 2699 |
| 27 | -" | 291 | 170 | D115 2700 |
| 27.384 | 1-5/64" | 291 | 170 | D115 2738 |
| 27.5 | -" | 291 | 170 | D115 2750 |
| 27.781 | 1-3/32" | 291 | 170 | D115 2778 |
| 28 | -" | 291 | 170 | D115 2800 |
| 28.178 | 1-7/64" | 296 | 175 | D115 2818 |
| 28.5 | -" | 296 | 175 | D115 2850 |
| 28.575 | 1-1/8" | 296 | 175 | D115 2858 |
| 28.972 | 1-9/64" | 296 | 175 | D115 2897 |
| 29 | -" | 296 | 175 | D115 2900 |
| 29.369 | 1-5/32" | 296 | 175 | D115 2937 |
| 29.5 | -" | 296 | 175 | D115 2950 |
| 29.766 | 1-11/64" | 296 | 175 | D115 2977 |
| 30 | -" | 296 | 175 | D115 3000 |
| 30.162 | 1-3/16" | 301 | 180 | D115 3016 |
| 30.5 | -" | 301 | 180 | D115 3050 |
| 30.559 | 1-13/64" | 301 | 180 | D115 3056 |
| 30.956 | 1-7/32" | 301 | 180 | D115 3096 |
| 31 | -" | 301 | 180 | D115 3100 |
| 31.353 | 1-15/64" | 301 | 180 | D115 3135 |
| 31.5 | -" | 301 | 180 | D115 3150 |
| 31.75 | 1-1/4" | 306 | 185 | D115 3175 |
MT4 shank sizes (45 sizes, 32 to 50.8 mm)
| Diameter (mm) | Diameter (inch) | Overall length (mm) | Flute length (mm) | Sutton item no. |
|---|---|---|---|---|
| 32 | -" | 334 | 185 | D115 3200 |
| 32.5 | -" | 334 | 185 | D115 3250 |
| 33 | -" | 334 | 185 | D115 3300 |
| 33.338 | 1-5/16" | 334 | 185 | D115 3334 |
| 33.5 | -" | 334 | 185 | D115 3350 |
| 34 | -" | 339 | 190 | D115 3400 |
| 34.5 | -" | 339 | 190 | D115 3450 |
| 34.925 | 1-3/8" | 339 | 190 | D115 3493 |
| 35 | -" | 339 | 190 | D115 3500 |
| 35.5 | -" | 339 | 190 | D115 3550 |
| 36 | -" | 344 | 195 | D115 3600 |
| 36.5 | -" | 344 | 195 | D115 3650 |
| 37 | -" | 344 | 195 | D115 3700 |
| 37.5 | -" | 344 | 195 | D115 3750 |
| 38 | -" | 349 | 200 | D115 3800 |
| 38.1 | 1-1/2" | 349 | 200 | D115 3810 |
| 38.5 | -" | 349 | 200 | D115 3850 |
| 39 | -" | 349 | 200 | D115 3900 |
| 39.5 | -" | 349 | 200 | D115 3950 |
| 40 | -" | 349 | 200 | D115 4000 |
| 40.5 | -" | 354 | 205 | D115 4050 |
| 41 | -" | 354 | 205 | D115 4100 |
| 41.275 | 1-5/8" | 354 | 205 | D115 4128 |
| 41.5 | -" | 354 | 205 | D115 4150 |
| 42 | -" | 354 | 205 | D115 4200 |
| 42.5 | -" | 354 | 205 | D115 4250 |
| 43 | -" | 359 | 210 | D115 4300 |
| 43.5 | -" | 359 | 210 | D115 4350 |
| 44 | -" | 359 | 210 | D115 4400 |
| 44.45 | 1-3/4" | 359 | 210 | D115 4445 |
| 44.5 | -" | 359 | 210 | D115 4450 |
| 45 | -" | 359 | 210 | D115 4500 |
| 45.5 | -" | 364 | 215 | D115 4550 |
| 46 | -" | 364 | 215 | D115 4600 |
| 46.5 | -" | 364 | 215 | D115 4650 |
| 47 | -" | 364 | 215 | D115 4700 |
| 47.5 | -" | 364 | 215 | D115 4750 |
| 47.625 | 1-7/8" | 369 | 220 | D115 4763 |
| 48 | -" | 369 | 220 | D115 4800 |
| 48.5 | -" | 369 | 220 | D115 4850 |
| 49 | -" | 369 | 220 | D115 4900 |
| 49.5 | -" | 369 | 220 | D115 4950 |
| 50 | -" | 369 | 220 | D115 5000 |
| 50.5 | -" | 374 | 225 | D115 5050 |
| 50.8 | 2" | 374 | 225 | D115 5080 |
MT5 shank sizes (13 sizes, 51.594 to 76.2 mm)
| Diameter (mm) | Diameter (inch) | Overall length (mm) | Flute length (mm) | Sutton item no. |
|---|---|---|---|---|
| 51.594 | 2-1/32" | 413 | 225 | D115 5159 |
| 52.388 | 2-1/16" | 413 | 225 | D115 5239 |
| 53.975 | 2-1/8" | 413 | 225 | D115 5398 |
| 55.562 | 2-3/16" | 413 | 225 | D115 5556 |
| 57.15 | 2-1/4" | 413 | 225 | D115 5715 |
| 58.738 | 2-5/16" | 413 | 225 | D115 5874 |
| 60.325 | 2-3/8" | 429 | 241 | D115 6033 |
| 61.912 | 2-7/16" | 429 | 241 | D115 6191 |
| 63.5 | 2-1/2" | 432 | 244 | D115 6350 |
| 65.088 | 2-9/16" | 432 | 244 | D115 6509 |
| 66.675 | 2-5/8" | 432 | 244 | D115 6668 |
| 69.85 | 2-3/4" | 432 | 244 | D115 6985 |
| 76.2 | 3" | 432 | 244 | D115 7620 |
Using the drills
- Check the drill shank taper (MT1/MT2/MT3/MT4/MT5) matches the machine spindle, or use a D118 Morse taper sleeve to fit a smaller taper to a larger spindle.
- Seat the taper clean and dry so the drill drives and runs true.
- Eject the drill with a D142 drift key, using the slot in the spindle or sleeve.
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | D115 |
| Type | General purpose hss twist drill, Morse taper shank |
| Sizes | 183 sizes, 3.175 to 76.2 mm |
| Morse taper | MT1 to MT5 |
| Standard | DIN 345 |
| Material | HSS |
| Surface finish | Blu (steam oxide) |
| Helix | R30 |
| Point | 118° Form A |
| Diameter tolerance | h8 |
| Suitable for | Materials up to 900 N/mm² |
Related products
Morse taper shank drills: D140 long series morse taper shank drill and D141 heavy duty cobalt morse taper shank drill. Morse taper sleeves: D118 Morse taper sleeves. Drill drift keys: D142 drill drift keys. Browse the drilling range.
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Sutton D115 HSS Morse Taper Shank Drill Bits 3.175mm to 76.2mm - MT1 to MT5, DIN 345: 3.175
SKU: A0004028 | Model: D1150318
This is the 3.175mm diameter option of the Sutton D115 HSS Morse Taper Shank Drill Bits 3.175mm to 76.2mm - MT1 to MT5, DIN 345. Key details for this option: shank size MT#1, overall length 117mm, flute length 37mm.