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Drill Bits Unlimted

.004"–.2559" (0.10–6.50mm) 125-Size Metric Carbide Drill Bit Set | 1/8" Shank

.004"–.2559" (0.10–6.50mm) 125-Size Metric Carbide Drill Bit Set | 1/8" Shank

Regular price $199.96 USD
Regular price Sale price $199.96 USD
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.004"–.2559" (0.10–6.50mm) 125-Size Metric Carbide Drill Bit Set

This 125-piece metric carbide drill bit set includes one drill each of 125 sizes from 0.10mm to 6.50mm, with inch equivalents from approximately .004" to .2559". It is a broad assortment for shops, labs, hobbyists, repair work, PCB drilling, model making, precision drilling, and small-hole applications where many metric drill sizes are useful to have on hand.

Each drill has a standard 1/8" shank and 1.50" overall length. These carbide drills should be used with good spindle alignment, minimal runout, and controlled feed pressure to help reduce breakage.

Brand / Seller: Drill Bits Unlimited

Set Type: 125 Size Metric Carbide Drill Bit Set

Available Conditions: Factory Resharpened or Lightly Used

Condition Options

  • Factory Resharpened Drills: Professionally resharpened and inspected, offering performance comparable to new drills at a lower cost.
  • Lightly Used Drills: Lower-cost option for hobby, prototype, repair, and light production drilling work.

Typical Applications

  • PCB drilling and electronics work
  • Precision CNC drilling
  • Model making, hobby, and miniature work
  • Jewelry, craft, and fine-detail drilling
  • Repair shops, labs, and maintenance departments
  • Small-hole drilling in plastics, composites, and non-ferrous materials
  • Fine orifice, jet, and micro-hole work where a broad metric size range is helpful

Specifications

Product Type Metric Carbide Drill Bit Assortment
Available Conditions Factory Resharpened, Lightly Used
Material Solid Carbide
Included Drill Diameters 0.10mm–6.50mm / approx. .004"–.2559"
Piece Count 125 Pieces
Shank Diameter 1/8"
Overall Length 1.50"
Finish / Coating Bright / Uncoated

Included Sizes

One piece each of the following 125 sizes:

Comes in 3 Storage Boxes:

Box 1 of 3

Metric Size Inch Equivalent Number / Fractional Equivalent
0.10mm .0040"
0.15mm .0059" #97
0.20mm .0079" #92
0.25mm .0098" #87
0.30mm .0120" #83
0.35mm .0135" #80
0.40mm .0160" #78 / approx. 1/64"
0.45mm .0177" #77
0.50mm .0197" #76
0.55mm .0217"
0.60mm .0240" #73
0.65mm .0260" #71
0.70mm .0280" #70
0.75mm .0292" #69
0.80mm .0315" 1/32" / #68
0.85mm .0330" #66
0.90mm .0350" #65
0.95mm .0370" #63
1.00mm .0390" #61
1.05mm .0410" #59
1.10mm .0430" #57
1.15mm .0453"
1.20mm .0472" 3/64"
1.25mm .0492"
1.30mm .0512"
1.35mm .0531"
1.40mm .0550" #54
1.45mm .0571"
1.50mm .0591"
1.55mm .0610"
1.60mm .0625" 1/16"
1.65mm .0650"
1.75mm .0690"
1.80mm .0709"
1.85mm .0728" #49
1.90mm .0748"
1.95mm .0768"
2.00mm .0790" 5/64" / #47
2.05mm .0807" #46
2.10mm .0827"
2.15mm .0846"
2.20mm .0866"
2.25mm .0890" #43
2.30mm .0906"
2.35mm .0925"
2.40mm .0945"
2.45mm .0965"
2.50mm .0980" #40
2.55mm .1004"
2.60mm .1024"

Box 2 of 3

Metric Size Inch Equivalent Number / Fractional Equivalent
2.65mm .1040" #37
2.70mm .1060" #36
2.75mm .1083"
2.80mm .1100" #35
2.85mm .1120"
2.90mm .1140"
2.95mm .1160" #32
3.00mm .1181"
3.05mm .1200" #31
3.10mm .1220"
3.15mm .1240"
3.20mm .1260"
3.25mm .1285" #30
3.30mm .1299"
3.35mm .1319"
3.40mm .1339"
3.45mm .1358"
3.50mm .1378"
3.55mm .1398"
3.60mm .1417"
3.65mm .1440" #27
3.70mm .1457"
3.75mm .1476"
3.80mm .1496" #25
3.85mm .1520" #24
3.90mm .1540" #23
3.95mm .1555" 5/32"
4.00mm .1570" #22
4.05mm .1590" #21
4.10mm .1614" #20
4.15mm .1634"
4.20mm .1654"
4.25mm .1673"
4.30mm .1693"
4.35mm .1713"
4.40mm .1732" #17
4.45mm .1752"
4.50mm .1770" #16
4.55mm .1791"
4.60mm .1811"
4.65mm .1831"
4.70mm .1850" #13
4.75mm .1875" 3/16"
4.80mm .1890" #12
4.85mm .1909" #11
4.90mm .1929"
4.95mm .1949"
5.00mm .1968"
5.05mm .1990" #8
5.10mm .2010" #7

Box 3 of 3

Metric Size Inch Equivalent Number / Fractional Equivalent
5.15mm .2031" 13/64"
5.20mm .2047"
5.25mm .2067"
5.30mm .2090" #4
5.35mm .2106"
5.40mm .2130" #3
5.45mm .2146"
5.50mm .2165"
5.55mm .2185" 7/32"
5.60mm .2205"
5.70mm .2244"
5.75mm .2264"
5.80mm .2280"
5.85mm .2302"
5.90mm .2320"
5.95mm .2344" 15/64"
6.00mm .2362"
6.05mm .2382"
6.10mm .2400"
6.15mm .2421"
6.25mm .2460"
6.30mm .2480"
6.35mm .2500" 1/4"
6.40mm .2520"
6.50mm .2559"

Note: Carbide drills are hard and wear-resistant, but brittle. Use steady alignment, minimal runout, and controlled feed pressure.

Image note: Product photo is representative. Drill collar colors and markings may vary.

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Looking for individual sizes instead?

Need a specific drill size or want to choose your own quantities? View our full selection of individual carbide drill bit sizes here:

Shop individual carbide drill bit sizes

Looking for a different drill set?

Browse our other carbide drill variety sets, including incremental size sets, metric sets, larger assortments, fractional inch sets, and carburetor jet tuning sets.

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Returns

Returns are accepted within 30 days of delivery for unused items in resalable condition. Original shipping charges are non-refundable unless the return is due to our error. Late, bulk, used, clearance, or special-order returns may be limited or subject to approval. See our Refund Policy for full details.

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