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Tap & Clearance Drills

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Thread Specification: 

Examples:

#10-32
10-32
In Numbered machine screw thread (#1 through #12)
1/4-20
1/4"-20
0.25-20
In Fractional UNC thread (1/4" through 1")
1/2-20
1/2"-20
0.5-20
In Fractional UNF thread (1/4" through 1")
M6
M6x1
6x1
mm Metric coarse thread (M1 through M22)
M6x0.75
M6x.75
6x.75
6mm x.75
mm Metric fine thread (M1 through M22)
0.255-40
.255-40
0.255"-40
In Non-standard thread (0.06" through 1.0")

 

Check the drill sets that you own on the Settings page.

 
Collet Set, R8 Metric, Set of 10
  • Set of ten R8 round collets in metric sizes
  • Hardened and ground to close tolerance
  • Made of high grade tool steel
  • 7/16" -20 drawbar thread
  • 0.0007" (0.018 mm) maximum runout

$57.95

Regularly $64.95

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Quick Change Tool Holder - Lathe Bit Rapid Retractor, 0XA
  • Works with 0XA tool post
  • Makes threading easier and safer
  • Made in the USA

$214.95

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Boring Head Set, R8, Indexable with 4 Boring Bars
  • Includes boring head, R8 shank, and 4-piece indexable boring bar set
  • The boring head offsets up to 5/8", dial is graduated in 0.001"
  • Minimum bore diameter is 7/16"; Maximum boring diameter is 5.906"
  • Maximum boring depth is 2.5"
  • The included indexable boring bars come with TCMT 21.5 C6 carbide inserts for steel and alloy

$219.95

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