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Kennametal Carbide Flat Bottom Drills

FB Drills with Through Coolant for Flat-Bottom Applications

Primary Application

B707_FB Series Solid Carbide Drills are productivity tools that combine two operations in one:
 1) Eliminate the 180° end mill in flat-bottom drilling or when preparing an inclined or curved surface for drilling.
 2) After full cylindrical engagement, the drill runs at normal solid carbide drilling parameters.

The B707_FBS Series with the new uncoated KN15™ grade now offers the same advantages for drilling in non-ferrous materials, such as aluminium, copper, and brass. The B707_FBL Series is designed for applications in stainless steel and high-temperature alloys.

Features and Benefits

Unique FB Drill-Point Design

  • Two effective cutting edges over centre enable high feed rates.
  • Creates a true flat-bottom hole from O.D. to centre.
  • Four-margin lands improve hole straightness and roundness providing good alignment even in cross holes.

Straight Cutting Edge

  • Guarantees a true 180° hole ground.
  • Rake angle correction improves chip control.

Customisation

  • Intermediate diameters available as semi-standards.
  • Length variations available as semi-standard:
    • B706_ 1,5 x D
    • B708_ 5 x D
    • B709_ 8 x D
  • Other length variations and step drills are available as engineered solutions.

KC7315™ Grade on B702_FBG and _FBL

  • Enables high drill-like penetration rates and superior tool life.

KN15 Grade on B707_FBS

  • The uncoated grade prevents built-up edge reducing the risk of fracture.
  • The highly polished surfaces ensure superior chip evacuation even when low-pressure coolant or MQL is applied.

Click through to the products to see videos of them in action.

177 Item(s)

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  1. B707A...FBG

    Product Code D1 L L3 L4 Max D  
    B707A03000FBG KC7315 » 3.00 62.00 20.00 14.00 6.00
    B707A03175FBG KC7315 » 3.18 62.00 20.00 14.00 6.00
    B707A03500FBG KC7315 » 3.50 62.00 20.00 14.00 6.00
    B707A03970FBG KC7315 » 3.97 66.00 24.00 17.00 6.00
    B707A04000FBG KC7315 » 4.00 66.00 24.00 17.00 6.00
    B707A04200FBG KC7315 » 4.20 66.00 24.00 17.00 6.00
    B707A04400FBG KC7315 » 4.40 66.00 24.00 17.00 6.00
    B707A04500FBG KC7315 » 4.50 66.00 24.00 17.00 6.00
    B707A04763FBG KC7315 » 4.76 66.00 28.00 20.00 6.00
    B707A04800FBG KC7315 » 4.80 66.00 28.00 20.00 6.00
    B707A04900FBG KC7315 » 4.90 66.00 28.00 20.00 6.00
    B707A05000FBG KC7315 » 5.00 66.00 28.00 20.00 6.00
    B707A05560FBG KC7315 » 5.56 66.00 28.00 20.00 6.00
    B707A05900FBG KC7315 » 5.90 66.00 28.00 20.00 6.00
    B707A06000FBG KC7315 » 6.00 66.00 28.00 20.00 6.00
    B707A06350FBG KC7315 » 6.35 79.00 34.00 24.00 8.00
    B707A06500FBG KC7315 » 6.50 79.00 34.00 24.00 8.00
    B707A06800FBG KC7315 » 6.80 79.00 34.00 24.00 8.00
    B707A07000FBG KC7315 » 7.00 79.00 34.00 24.00 8.00
    B707A07145FBG KC7315 » 7.15 79.00 41.00 29.00 8.00
    B707A07500FBG KC7315 » 7.50 79.00 41.00 29.00 8.00
    B707A07800FBG KC7315 » 7.80 79.00 41.00 29.00 8.00
    B707A07938FBG KC7315 » 7.94 79.00 41.00 29.00 8.00
    B707A08000FBG KC7315 » 8.00 79.00 41.00 29.00 8.00
    B707A08334FBG KC7315 » 8.33 89.00 47.00 35.00 10.00
    B707A08500FBG KC7315 » 8.50 89.00 47.00 35.00 10.00
    B707A08800FBG KC7315 » 8.80 89.00 47.00 35.00 10.00
    B707A09000FBG KC7315 » 9.00 89.00 47.00 35.00 10.00
    B707A09129FBG KC7315 » 9.13 89.00 47.00 35.00 10.00
    B707A09500FBG KC7315 » 9.50 89.00 47.00 35.00 10.00
    B707A09525FBG KC7315 » 9.53 89.00 47.00 35.00 10.00
    B707A10000FBG KC7315 » 10.00 89.00 47.00 35.00 10.00
    B707A10320FBG KC7315 » 10.32 102.00 55.00 40.00 12.00
    B707A10500FBG KC7315 » 10.50 102.00 55.00 40.00 12.00
    B707A10600FBG KC7315 » 10.60 102.00 55.00 40.00 12.00
    B707A11000FBG KC7315 » 11.00 102.00 55.00 40.00 12.00
    B707A11111FBG KC7315 » 11.11 102.00 55.00 40.00 12.00
    B707A11509FBG KC7315 » 11.51 102.00 55.00 40.00 12.00
    B707A11570FBG KC7315 » 11.57 102.00 55.00 40.00 12.00
    B707A11700FBG KC7315 » 11.70 102.00 55.00 40.00 12.00
    B707A11800FBG KC7315 » 11.80 102.00 55.00 40.00 12.00
    B707A11908FBG KC7315 » 11.91 102.00 55.00 40.00 12.00
    B707A12000FBG KC7315 » 12.00 102.00 55.00 40.00 12.00
    B707A12100FBG KC7315 » 12.10 107.00 60.00 43.00 14.00
    B707A12500FBG KC7315 » 12.50 107.00 60.00 43.00 14.00
    B707A12700FBG KC7315 » 12.70 107.00 60.00 43.00 14.00
    B707A12800FBG KC7315 » 12.80 107.00 60.00 43.00 14.00
    B707A13000FBG KC7315 » 13.00 107.00 60.00 43.00 14.00
    B707A13500FBG KC7315 » 13.50 107.00 60.00 43.00 14.00
    B707A14000FBG KC7315 » 14.00 107.00 60.00 43.00 14.00
    B707A14288FBG KC7315 » 14.29 115.00 65.00 45.00 16.00
    B707A14500FBG KC7315 » 14.50 115.00 65.00 45.00 16.00
    B707A15000FBG KC7315 » 15.00 115.00 65.00 45.00 16.00
    B707A15250FBG KC7315 » 15.25 115.00 65.00 45.00 16.00
    B707A15500FBG KC7315 » 15.50 115.00 65.00 45.00 16.00
    B707A15875FBG KC7315 » 15.88 115.00 65.00 45.00 16.00
    B707A16000FBG KC7315 » 16.00 115.00 65.00 45.00 16.00
    B707A16500FBG KC7315 » 16.50 123.00 73.00 51.00 18.00
    B707A17000FBG KC7315 » 17.00 123.00 73.00 51.00 18.00
    B707A17463FBG KC7315 » 17.46 123.00 73.00 51.00 18.00
    B707A17500FBG KC7315 » 17.50 123.00 73.00 51.00 18.00
    B707A18000FBG KC7315 » 18.00 123.00 73.00 51.00 18.00
    B707A18500FBG KC7315 » 18.50 131.00 79.00 55.00 20.00
    B707A19000FBG KC7315 » 19.00 131.00 79.00 55.00 20.00
    B707A19050FBG KC7315 » 19.05 131.00 79.00 55.00 20.00
    B707A20000FBG KC7315 » 20.00 131.00 79.00 55.00 20.00
    B707A21000FBG KC7315 » 21.00 141.00 86.00 60.00 20.00
    B707A...FBG
  2. B707A...FBL

    Product Code D1 L L3 L4 Max D  
    B707A03000FBL KC7315 » 3.00 62.00 20.00 14.00 6.00
    B707A03175FBL KC7315 » 3.18 62.00 20.00 14.00 6.00
    B707A03500FBL KC7315 » 3.50 62.00 20.00 14.00 6.00
    B707A04000FBL KC7315 » 4.00 66.00 24.00 17.00 6.00
    B707A04400FBL KC7315 » 4.40 66.00 24.00 17.00 6.00
    B707A04500FBL KC7315 » 4.50 66.00 24.00 17.00 6.00
    B707A04800FBL KC7315 » 4.80 66.00 28.00 20.00 6.00
    B707A05000FBL KC7315 » 5.00 66.00 28.00 20.00 6.00
    B707A05560FBL KC7315 » 5.56 66.00 28.00 20.00 6.00
    B707A05900FBL KC7315 » 5.90 66.00 28.00 20.00 6.00
    B707A06000FBL KC7315 » 6.00 66.00 28.00 20.00 6.00
    B707A06350FBL KC7315 » 6.35 79.00 34.00 24.00 8.00
    B707A06500FBL KC7315 » 6.50 79.00 34.00 24.00 8.00
    B707A06800FBL KC7315 » 6.80 79.00 34.00 24.00 8.00
    B707A07000FBL KC7315 » 7.00 79.00 34.00 24.00 8.00
    B707A07500FBL KC7315 » 7.50 79.00 41.00 29.00 8.00
    B707A07938FBL KC7315 » 7.94 79.00 41.00 29.00 8.00
    B707A08000FBL KC7315 » 8.00 79.00 41.00 29.00 8.00
    B707A08500FBL KC7315 » 8.50 89.00 47.00 35.00 10.00
    B707A08800FBL KC7315 » 8.80 89.00 47.00 35.00 10.00
    B707A09000FBL KC7315 » 9.00 89.00 47.00 35.00 10.00
    B707A09500FBL KC7315 » 9.50 89.00 47.00 35.00 10.00
    B707A09525FBL KC7315 » 9.53 89.00 47.00 35.00 10.00
    B707A10000FBL KC7315 » 10.00 89.00 47.00 35.00 10.00
    B707A10320FBL KC7315 » 10.32 102.00 55.00 40.00 12.00
    B707A10500FBL KC7315 » 10.50 102.00 55.00 40.00 12.00
    B707A11000FBL KC7315 » 11.00 102.00 55.00 40.00 12.00
    B707A11111FBL KC7315 » 11.11 102.00 55.00 40.00 12.00
    B707A11509FBL KC7315 » 11.51 102.00 55.00 40.00 12.00
    B707A11570FBL KC7315 » 11.57 102.00 55.00 40.00 12.00
    B707A11700FBL KC7315 » 11.70 102.00 55.00 40.00 12.00
    B707A11800FBL KC7315 » 11.80 102.00 55.00 40.00 12.00
    B707A12000FBL KC7315 » 12.00 102.00 55.00 40.00 12.00
    B707A12100FBL KC7315 » 12.10 107.00 60.00 43.00 14.00
    B707A12500FBL KC7315 » 12.50 107.00 60.00 43.00 14.00
    B707A12700FBL KC7315 » 12.70 107.00 60.00 43.00 14.00
    B707A12800FBL KC7315 » 12.80 107.00 60.00 43.00 14.00
    B707A13000FBL KC7315 » 13.00 107.00 60.00 43.00 14.00
    B707A13500FBL KC7315 » 13.50 107.00 60.00 43.00 14.00
    B707A14000FBL KC7315 » 14.00 107.00 60.00 43.00 14.00
    B707A14288FBL KC7315 » 14.29 115.00 65.00 45.00 16.00
    B707A14500FBL KC7315 » 14.50 115.00 65.00 45.00 16.00
    B707A15000FBL KC7315 » 15.00 115.00 65.00 45.00 16.00
    B707A15250FBL KC7315 » 15.25 115.00 65.00 45.00 16.00
    B707A15500FBL KC7315 » 15.50 115.00 65.00 45.00 16.00
    B707A15875FBL KC7315 » 15.88 115.00 65.00 45.00 16.00
    B707A16000FBL KC7315 » 16.00 115.00 65.00 45.00 16.00
    B707A16500FBL KC7315 » 16.50 123.00 73.00 51.00 18.00
    B707A17000FBL KC7315 » 17.00 123.00 73.00 51.00 18.00
    B707A17500FBL KC7315 » 17.50 123.00 73.00 51.00 18.00
    B707A18000FBL KC7315 » 18.00 123.00 73.00 51.00 18.00
    B707A19000FBL KC7315 » 19.00 131.00 79.00 55.00 20.00
    B707A19050FBL KC7315 » 19.05 131.00 79.00 55.00 20.00
    B707A20000FBL KC7315 » 20.00 131.00 79.00 55.00 20.00
    B707A21000FBL KC7315 » 21.00 141.00 86.00 60.00 20.00
    B707A...FBL
  3. B707A

    Product Code D1 L L3 L4 Max D  
    B707A03000FBS KN15 » 3.00 62.00 20.00 14.00 6.00
    B707A03175FBS KN15 » 3.18 62.00 20.00 14.00 6.00
    B707A03500FBS KN15 » 3.50 62.00 20.00 14.00 6.00
    B707A04000FBS KN15 » 4.00 66.00 24.00 17.00 6.00
    B707A04400FBS KN15 » 4.40 66.00 24.00 17.00 6.00
    B707A04500FBS KN15 » 4.50 66.00 24.00 17.00 6.00
    B707A04800FBS KN15 » 4.80 66.00 28.00 20.00 6.00
    B707A05000FBS KN15 » 5.00 66.00 28.00 20.00 6.00
    B707A05560FBS KN15 » 5.56 66.00 28.00 20.00 6.00
    B707A05900FBS KN15 » 5.90 66.00 28.00 20.00 6.00
    B707A06000FBS KN15 » 6.00 66.00 28.00 20.00 6.00
    B707A06350FBS KN15 » 6.35 79.00 34.00 24.00 8.00
    B707A06500FBS KN15 » 6.50 79.00 34.00 24.00 8.00
    B707A06800FBS KN15 » 6.80 79.00 34.00 24.00 8.00
    B707A07000FBS KN15 » 7.00 79.00 34.00 24.00 8.00
    B707A07500FBS KN15 » 7.50 79.00 41.00 29.00 8.00
    B707A07938FBS KN15 » 7.94 79.00 41.00 29.00 8.00
    B707A08000FBS KN15 » 8.00 79.00 41.00 29.00 8.00
    B707A08500FBS KN15 » 8.50 89.00 47.00 35.00 10.00
    B707A08800FBS KN15 » 8.80 89.00 47.00 35.00 10.00
    B707A09000FBS KN15 » 9.00 89.00 47.00 35.00 10.00
    B707A09500FBS KN15 » 9.50 89.00 47.00 35.00 10.00
    B707A09525FBS KN15 » 9.53 89.00 47.00 35.00 10.00
    B707A10000FBS KN15 » 10.00 89.00 47.00 35.00 10.00
    B707A10320FBS KN15 » 10.32 102.00 55.00 40.00 12.00
    B707A10500FBS KN15 » 10.50 102.00 55.00 40.00 12.00
    B707A11000FBS KN15 » 11.00 102.00 55.00 40.00 12.00
    B707A11111FBS KN15 » 11.11 102.00 55.00 40.00 12.00
    B707A11509FBS KN15 » 11.51 102.00 55.00 40.00 12.00
    B707A11570FBS KN15 » 11.57 102.00 55.00 40.00 12.00
    B707A11700FBS KN15 » 11.70 102.00 55.00 40.00 12.00
    B707A11800FBS KN15 » 11.80 102.00 55.00 40.00 12.00
    B707A12000FBS KN15 » 12.00 102.00 55.00 40.00 12.00
    B707A12100FBS KN15 » 12.10 107.00 60.00 43.00 14.00
    B707A12500FBS KN15 » 12.50 107.00 60.00 43.00 14.00
    B707A12700FBS KN15 » 12.70 107.00 60.00 43.00 14.00
    B707A12800FBS KN15 » 12.80 107.00 60.00 43.00 14.00
    B707A13000FBS KN15 » 13.00 107.00 60.00 43.00 14.00
    B707A13500FBS KN15 » 13.50 107.00 60.00 43.00 14.00
    B707A14000FBS KN15 » 14.00 107.00 60.00 43.00 14.00
    B707A14288FBS KN15 » 14.29 115.00 65.00 45.00 16.00
    B707A14500FBS KN15 » 14.50 115.00 65.00 45.00 16.00
    B707A15000FBS KN15 » 15.00 115.00 65.00 45.00 16.00
    B707A15250FBS KN15 » 15.25 115.00 65.00 45.00 16.00
    B707A15500FBS KN15 » 15.50 115.00 65.00 45.00 16.00
    B707A15875FBS KN15 » 15.88 115.00 65.00 45.00 16.00
    B707A16000FBS KN15 » 16.00 115.00 65.00 45.00 16.00
    B707A16500FBS KN15 » 16.50 123.00 73.00 51.00 18.00
    B707A17000FBS KN15 » 17.00 123.00 73.00 51.00 18.00
    B707A17500FBS KN15 » 17.50 123.00 73.00 51.00 18.00
    B707A18000FBS KN15 » 18.00 123.00 73.00 51.00 18.00
    B707A19000FBS KN15 » 19.00 131.00 79.00 55.00 20.00
    B707A19050FBS KN15 » 19.05 131.00 79.00 55.00 20.00
    B707A20000FBS KN15 » 20.00 131.00 79.00 55.00 20.00
    B707A21000FBS KN15 » 21.00 141.00 86.00 60.00 20.00
    B707A

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