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Roof Bits

Two Prong

Product specifications
Product # 1821773
ISO Catalog Number DBNT2 1/4
ANSI Catalog Number DBNT2 1/4
Grade K3406
[D1] Drill Diameter Min Metric 57,15
[D1] Drill Diameter Min Inch 2.250
[DVSM]Drive Size Machine Side 3/4 Hex
[TL]Tip Length Metric 23,01
[TL]Tip Length Inch .9060
[L1]Gage Length Metric 48,80
[L1]Gage Length Inch 1.920
[OAL] Overall Length Metric 105,9
[OAL] Overall Length Inch 4.170
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57mm (2-1/4") Drilling Diameter • Two Prong • Hex .75" Drive

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Product # ISO Catalog Number ANSI Catalog Number Grade [D1] Drill Diameter Min Metric [D1] Drill Diameter Min Inch [DVSM]Drive Size Machine Side [TL]Tip Length Metric [TL]Tip Length Inch [L1]Gage Length Metric [L1]Gage Length Inch [OAL] Overall Length Metric [OAL] Overall Length Inch
1821773 DBNT2 1/4 DBNT2 1/4 K3406 57,15 2.250 3/4 Hex 23,01 .9060 48,80 1.920 105,9 4.170

Product Usage

Uses and application

  • Wet Drilling
  • Cutting Conditions: Medium
  • Recycleable


  • K3406