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Roof Bits

Two Prong

Product specifications
Product # 1011257
ISO Catalog Number DB2 1/2
ANSI Catalog Number DB2 1/2
Grade K3406
[D1] Drill Diameter Min Metric 63,50
[D1] Drill Diameter Min Inch 2.500
[DVSM]Drive Size Machine Side 13/16 Hex
[TL]Tip Length Metric 27,69
[TL]Tip Length Inch 1.090
[L1]Gage Length Metric 54
[L1]Gage Length Inch 2.120
[OAL] Overall Length Metric 111
[OAL] Overall Length Inch 4.380
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64mm (2-1/2") Drilling Diameter • Two Prong • Hex .8" 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
1011257 DB2 1/2 DB2 1/2 K3406 63,50 2.500 13/16 Hex 27,69 1.090 54 2.120 111 4.380

Product Usage

Uses and application

  • Wet Drilling
  • Cutting Conditions: Medium
  • Recycleable


  • K3406