Model # 45-31125

Internet #204614046

Gyros High Speed Steel Metric Drill Bit Set (25-Piece)


High Speed Steel Metric Drill Bit Set (25-Piece)

$5499 /each
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Frequently Bought Together

Product Overview

Industrial Grade High Speed Steel jobber’s length metric drill bits for general purpose drilling. Drill bits are cutting tools used to make holes in a range of materials using machines such as handheld portable drills, machining centers and lathes. Gyros offer a full line of drill bits and sets.

  • Industrial grade high speed steel for greater wear resistance
  • 25-piece set
  • Size: 1.00-1300 x 5.0 mm
  • 118° point



Product Depth (in.)
Product Height (in.)
Product Width (in.)


Bit Material
High Speed Steel
Color Family
Drill & Router Bit Type
Drill Bits
Drill Bit Type
Drill Bit Type(s) Included
Number of Pieces
Shank Style
Shank Style
Tools Product Type
Power Tool

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Customer Questions & Answers

There is a problem with the specifications!

The specification says (paraphrased) "1.00 to 1300 mm in 5 mm steps". That would mean the sizes are 1 mm, 6 mm, 11 mm and so on up to 1300 mm. Note that 1300 mm = 1.3 metre, or more than 51 INCHES diameter for a drill bit! (Also that would be -- if true -- 261 drill bits (not 25) and the last one would be 1301 mm.) I believe the actual specification should be (paraphrased) "1.00 mm to 13.00 mm in steps of 0.5 mm" Note the added decimal point, and the added zero (0.) in front of the 5. Also note that by international standards any decimal fraction less than one MUST have a leading zero, to reduce the chance of omitting the decimal point (thus 0.5 instead of .5 which is easy to mistype as 5).
Asked by: emearg
Apparently they still have not corrected the issue as stated below. I was reading this the same way and found your statement. This does not add a lot of confidence in a sight unseen product I want to buy online
Answered by: Agent47
Date published: 2017-06-15

Why does this bit set, supposedly metric, show the sizes in fractional inches?

Asked by: Icehawk
If you're referring to the photo of the drill set in its case, then I'd say the photo is not of the actual product (which, I'm sorry to also say, is not uncommon). The photo is obviously a standard set with American sizes (beginning with 1/16 and working up from there).
Answered by: Dimarc67
Date published: 2016-07-25

Are the bits for wood, concrete or steel?

Are the bits for wood, concrete or steel?
Asked by: lu
These bits can be used on wood and steel.
Answered by: Gyros Tools
Date published: 2017-03-23

What is the maximum drill bit size?

What is the maximum drill bit size?
Asked by: JoeShmoe
The max drill bit size is 1300.
Answered by: CommunityAnswer
Date published: 2017-05-03
  • y_2017, m_8, d_18, h_3CST
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Customer Reviews

High Speed Steel Metric Drill Bit Set (25-Piece) is rated 4.5 out of 5 by 2.
Rated 4 out of 5 by from Product is what it claims to be These drill bits are exactly what the write up on the web claimed they are. Haven't used them enough to comment on how well they last.
Date published: 2016-05-03
Rated 5 out of 5 by from Drill box Was missing the 1 mm drill but all others were there (especially the one I needed ) and were of great quality
Date published: 2016-04-27
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