Browse Categories

Learn Watch Repair
Change a Watch Battery
Replacing Watch Bands
Make Coin Jewelry
How to Test Gold
DIY Ring Sizing

Mens Watch Bands
Womens Watch Bands
Leather Watch Bands
Metal Watch Bands
Rubber Watch Bands
Expansion Watch Bands
Diver Watch Bands

High Speed Steel Twist Drills Set of 20 in Plastic Bit Holder sizes 61-80

High Speed Twist Drill Set
Your Price: $23.95
Item Number: 28.502

Made of high-speed steel, this handy drill assortment kit offers sizes 61–80 (.0390" – .0135" or .99 - .34mm) for fine jobs. This set conveniently packaged in a plastic stand with clear domed lid. Sizes stamped on stand for easy selection and storage of proper drill size.

  • Drill assortment offers 20 drills in plastic storage case with sizes clearly labeled
  • Sizes included (#61-80): .0390" – .0135" inches or .990 - .343mm
  • Made of high speed steel

Drill# Inches MM   Drill # Inches MM   Drill # Inches MM   Drill # Inches MM   Drill # Inches MM
30 .1285 3.264   41 .0960 2.438   52 .0635 1.613   63 .0370 0.940   74 .0225 0.572
31 .1200 3.048   42 .0935 2.378   53 .0595 1.512   64 .0360 0.914   75 .0210 0.533
32 .1160 2.946   43 .0890 2.261   54 .0550 1.397   65 .0350 0.889   76 .0200 0.508
33 .1130 2.870   44 .0860 2.184   55 .0520 1.321   66 .0330 0.838   77 .0180 0.457
34 .1110 2.819   45 .0820 2.083   56 .0465 1.181   67 .0320 0.813   78 .0160 0.406
35 .1100 2.794   46 .0810 2.057   57 .0430 1.092   68 .0310 0.787   79 .0145 0.369
36 .1065 2.705   47 .0785 1.944   58 .0420 1.067   69 .0292 0.734   80 .0135 0.343
37 .1040 2.642   48 .0760 1.930   59 .0410 1.041   70 .0280 0.712        
38 .1015 2.578   49 .0730 1.854   60 .0400 1.016   71 .0260 0.660        
39 .0995 2.528   50 .0700 1.778   61 .0390 0.990   72 .0250 0.635        
40 .0980 2.489   51 .0670 1.702   62 .0380 0.965   73 .0240 0.610        

Related Products

High Speed Twist Drill Set
Dormer Drills High Speed Steel Twist Set of 6 pcs Sizes 55 - 67 (0.81-1.32mm)
Your Price: $12.05
Dormer Drills High Speed Steel Twist Set of 6 pcs Sizes 55 - 67 (0.81-1.32mm)
Jewelers drill bits can be used for drilling holes in metal, plastic and other jewelry design pieces. Great for metalsmiths and metal working. Place in Fordedom, Dremel or other similar handpiece. Can also be used on Precious Metal Clay.
High Speed Twist Drill Set
High Speed Steel Twish Drills Set of 12 in Wood Block Sizes 50 to 61 (1.0 - 1.8mm)
Your Price: $18.40
High Speed Steel Twish Drills Set of 12 in Wood Block Sizes 50 to 61 (1.0 - 1.8mm)
Set of 12 jewelers drill bits contains sizes 50-61 in rectangular wood box. Use for drilling holes in metal, plastic and other jewelry design pieces. Great for metalsmiths, metal working & drilling. Place in Fordedom, Dremel or other similar handpiece.
High Speed Twist Drill Set
Mascot High Speed Steel Twist Drills Assortment Set of 6 (1.6 mm - 3.3 mm)
Your Price: $6.49
Mascot High Speed Steel Twist Drills Assortment Set of 6 (1.6 mm - 3.3 mm)
Sizes 30-52 jewelers drill bits can be used for drilling holes in metal, plastic and other jewelry design pieces. Great for metalsmiths and metal working. Place in Fordedom, Dremel or other similar handpiece. Can also be used on Precious Metal Clay.
High Speed Twist Drill Set
High Speed Twist Drills Set of 36 Sizes 33 to 80 with Wood Holder
Your Price: $49.90
High Speed Twist Drills Set of 36 Sizes 33 to 80 with Wood Holder
High Speed Jewelers drill bits, Sizes38-80 with wood stand. Use for drilling holes in metal, plastic and other jewelry design pieces. Great for metalsmiths, metal working & drilling. Place in Fordedom, Dremel or other similar handpiece.

Product Reviews

(0 Ratings, 0 Reviews)


Need Watch Parts?

Free Item with Qualifying Order
Watch Repair Kit Sale
bergeon tools

Google-Translate-Chinese (Simplified) BETA Google-Translate-English to French Google-Translate-English to German Google-Translate-English to Italian
Google-Translate-English to Japanese BETA Google-Translate-English to Korean BETA Google-Translate-English to Russian BETA Google-Translate-English to Spanish