Author Topic: UJK Parf Guide Mark II drill bits info  (Read 358 times)

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Offline Wood_Slice

  • Posts: 102
UJK Parf Guide Mark II drill bits info
« on: February 19, 2021, 05:29 PM »
Just wanted to post it out there in case anyone was wondering the size of the 3 mm drill bit. The length of the bit is longer than needed. I believe the common 60-62mm overall length might work fine for 3/4” material thickness.

The OG bit has the following writing on it

@3.0  GUHRING  HSS  19479371

The @ icon is a zero with a diagonal line representing mm i guess

  • Measured with a caliper and its dead on 3.0 mm diameter (imperial with caliper was 15/128”)
  • Overall length is 72 mm
  • Cutting flutes 40 mm length
  • Shaft 32 mm in length
  • Looks like 118 or 135 degree
  • HSS= high speed steel
  • GUHRING is the manufacturer brand
  • 19479371 is the item number identifying it (could not find it on their website or anywhere else)


SIDE NOTE- dogs that come with the parf guide mark 2 are
  • Overall height 22 mm
  • Bottom diamter 19.95 mm
  • top diameter 24.95mm
  • top height 10 mm
  • Bottom height 12 mm


« Last Edit: February 19, 2021, 06:50 PM by Wood_Slice »
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Online Mike Goetzke

  • Posts: 775
Re: UJK Parf Guide Mark II drill bits info
« Reply #1 on: February 19, 2021, 05:56 PM »
"O" with diagonal through it usually represents diameter.

I'm pretty sure you can get spares for the Parf from TSO & Axminster.