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High-performance solid carbide flat bottom drill 5xD with internal cooling

The solid carbide flat bottom drill 5xD with a cylindrical shank and internal cooling holes is a specialized cutting tool designed for accurately creating flat-bottomed holes. Its 180° point geometry provides excellent characteristics for spot drilling on inclined or curved surfaces and minimizes burr formation when drilling through-holes. Equipped with the high-quality PVD coating RT370, this tool is intended for professional use in modern machining. Packaging unit = 1 Pc. The RT370 is a PVD coated P10-P20/M10-M20/K10-K20 carbide grade tailored for machining steel, stainless steel, and cast iron.

Technical data

  • Tool type: Solid carbide flat bottom drill
  • Drilling depth: 5xD
  • Shank design: Cylindrical shank
  • Cooling: Internal cooling holes
  • Material: Solid carbide
  • Coating: PVD-coated (RT370)
  • Point angle: 180°
  • Packaging unit: 1 Piece

Dimensions of Solid carbide flat bottom drill 5xD

Drill Ø Art.Nr. Art. Name Shaft Diameter   Flute Lenght
 D  d2 (h6) L1  L2
3 mm 3750300KZ FB-180° D3.0-5xD-Z-H RT370 6 66 28
3,1 mm 3750310KZ FB-180° D3.1-5xD-Z-H RT370
6 66 28
3,2 mm 3750320KZ FB-180° D3.2-5xD-Z-H RT370
6 66 28
3,3 mm 3750330KZ FB-180° D3.3-5xD-Z-H RT370
6 66 28
3,4 mm 3750340KZ FB-180° D3.4-5xD-Z-H RT370
6 66 28
3,5 mm 3750350KZ FB-180° D3.5-5xD-Z-H RT370
6 66 28
3,6 mm 3750360KZ FB-180° D3.6-5xD-Z-H RT370
6 66 28
3,7 mm 3750370KZ FB-180° D3.7-5xD-Z-H RT370
6 66 28
3,8 mm 3750380KZ FB-180° D3.8-5xD-Z-H RT370
6 74 36
3,9 mm 3750390KZ FB-180° D3.9-5xD-Z-H RT370
6 74 36
4 mm 3750400KZ FB-180° D4.0-5xD-Z-H RT370
6 74 36
4,1 mm 3750410KZ FB-180° D4.1-5xD-Z-H RT370
6 74 36
4,2 mm 3750420KZ FB-180° D4.2-5xD-Z-H RT370
6 74 36
4,3 mm 3750430KZ FB-180° D4.3-5xD-Z-H RT370
6 74 36
4,4 mm 3750440KZ FB-180° D4.4-5xD-Z-H RT370
6 74 36
4,5 mm 3750450KZ FB-180° D4.5-5xD-Z-H RT370
6 74 36
4,6 mm 3750460KZ FB-180° D4.6-5xD-Z-H RT370
6 74 36
4,7 mm 3750470KZ FB-180° D4.7-5xD-Z-H RT370
6 74 36
4,8 mm 3750480KZ FB-180° D4.8-5xD-Z-H RT370
6 82 44
4,9 mm 3750490KZ FB-180° D4.9-5xD-Z-H RT370
6 82 44
5 mm 3750500KZ FB-180° D5.0-5xD-Z-H RT370
6 82 44
5,1 mm 3750510KZ FB-180° D5.1-5xD-Z-H RT370
6 82 44
5,2 mm 3750520KZ FB-180° D5.2-5xD-Z-H RT370
6 82 44
5,3 mm 3750530KZ FB-180° D5.3-5xD-Z-H RT370
6 82 44
5,4 mm 3750540KZ FB-180° D5.4-5xD-Z-H RT370
6 82 44
5,5 mm 3750550KZ FB-180° D5.5-5xD-Z-H RT370
6 82 44
5,6 mm 3750560KZ FB-180° D5.6-5xD-Z-H RT370
6 82 44
5,7 mm 3750570KZ FB-180° D5.7-5xD-Z-H RT370
6 82 44
5,8 mm 3750580KZ FB-180° D5.8-5xD-Z-H RT370
6 82 44
5,9 mm 3750590KZ FB-180° D5.9-5xD-Z-H RT370
6 82 44
6 mm 3750600KZ FB-180° D6.0-5xD-Z-H RT370
6 82 44
6,1 mm 3750610KZ FB-180° D6.1-5xD-Z-H RT370
8 91 53
6,2 mm 3750620KZ FB-180° D6.2-5xD-Z-H RT370
8 91 53
6,3 mm 3750630KZ FB-180° D6.3-5xD-Z-H RT370
8 91 53
6,4 mm 3750640KZ FB-180° D6.4-5xD-Z-H RT370
8 91 53
6,5 mm 3750650KZ FB-180° D6.5-5xD-Z-H RT370
8 91 53
6,6 mm 3750660KZ FB-180° D6.6-5xD-Z-H RT370
8 91 53
6,7 mm 3750670KZ FB-180° D6.7-5xD-Z-H RT370
8 91 53
6,8 mm 3750680KZ FB-180° D6.8-5xD-Z-H RT370
8 91 53
6,9 mm 3750690KZ FB-180° D6.9-5xD-Z-H RT370
8 91 53
7 mm 3750700KZ FB-180° D7.0-5xD-Z-H RT370
8 91 53
7,1 mm 3750710KZ FB-180° D7.1-5xD-Z-H RT370
8 91 53
7,2 mm 3750720KZ FB-180° D7.2-5xD-Z-H RT370
8 91 53
7,3 mm 3750730KZ FB-180° D7.3-5xD-Z-H RT370
8 91 53
7,4 mm 3750740KZ FB-180° D7.4-5xD-Z-H RT370
8 91 53
7,5 mm 3750750KZ FB-180° D7.5-5xD-Z-H RT370
8 91 53
7,6 mm 3750760KZ FB-180° D7.6-5xD-Z-H RT370
8 91 53
7,7 mm 3750770KZ FB-180° D7.7-5xD-Z-H RT370
8 91 53
7,8 mm 3750780KZ FB-180° D7.8-5xD-Z-H RT370
8 91 53
7,9 mm 3750790KZ FB-180° D7.9-5xD-Z-H RT370
8 91 53
8 mm 3750800KZ FB-180° D8.0-5xD-Z-H RT370
8 91 53
8,1 mm 3750810KZ FB-180° D8.1-5xD-Z-H RT370
10 103 61
8,2 mm 3750820KZ FB-180° D8.2-5xD-Z-H RT370
10 103 61
8,3 mm 3750830KZ FB-180° D8.3-5xD-Z-H RT370
10 103 61
8,4 mm 3750840KZ FB-180° D8.4-5xD-Z-H RT370
10 103 61
8,5 mm 3750850KZ FB-180° D8.5-5xD-Z-H RT370
10 103 61
8,6 mm 3750860KZ FB-180° D8.6-5xD-Z-H RT370
10 103 61
8,7 mm 3750870KZ FB-180° D8.7-5xD-Z-H RT370
10 103 61
8,8 mm 3750880KZ FB-180° D8.8-5xD-Z-H RT370
10 103 61
8,9 mm 3750890KZ FB-180° D8.9-5xD-Z-H RT370
10 103 61
9 mm 3750900KZ FB-180° D9.0-5xD-Z-H RT370
10 103 61
9,1 mm 3750910KZ FB-180° D9.1-5xD-Z-H RT370
10 103 61
9,2 mm 3750920KZ FB-180° D9.2-5xD-Z-H RT370
10 103 61
9,3 mm 3750930KZ FB-180° D9.3-5xD-Z-H RT370
10 103 61
9,4 mm 3750940KZ FB-180° D9.4-5xD-Z-H RT370
10 103 61
9,5 mm 3750950KZ FB-180° D9.5-5xD-Z-H RT370
10 103 61
9,6 mm 3750960KZ FB-180° D9.6-5xD-Z-H RT370
10 103 61
9,7 mm 3750970KZ FB-180° D9.7-5xD-Z-H RT370
10 103 61
9,8 mm 3750980KZ FB-180° D9.8-5xD-Z-H RT370
10 103 61
9,9 mm 3750990KZ FB-180° D9.9-5xD-Z-H RT370
10 103 61
10 mm 3751000KZ FB-180° D10.0-5xD-Z-H RT370
10 103 61
10,2 mm 3751020KZ FB-180° D10.2-5xD-Z-H RT370
12 118 71
10,5 mm 3751050KZ FB-180° D10.5-5xD-Z-H RT370
12 118 71
10,8 mm 3751080KZ FB-180° D10.8-5xD-Z-H RT370
12 118 71
10,9 mm 3751090KZ FB-180° D10.9-5xD-Z-H RT370
12 118 71
11 mm 3751100KZ FB-180° D11.0-5xD-Z-H RT370
12 118 71
11,5 mm 3751150KZ FB-180° D11.5-5xD-Z-H RT370
12 118 71
11,8 mm 3751180KZ FB-180° D11.8-5xD-Z-H RT370
12 118 71
11,9 mm 3751190KZ FB-180° D11.9-5xD-Z-H RT370
12 118 71
12 mm 3751200KZ FB-180° D12.0-5xD-Z-H RT370
12 118 71
12,5 mm 3751250KZ FB-180° D12.5-5xD-Z-H RT370
14 124 77
13 mm 3751300KZ FB-180° D13.0-5xD-Z-H RT370
14 124 77
13,5 mm 3751350KZ FB-180° D13.5-5xD-Z-H RT370
14 124 77
14 mm 3751400KZ FB-180° D14.0-5xD-Z-H RT370
14 124 77
14,5 mm 3751450KZ FB-180° D14.5-5xD-Z-H RT370
16 133 83
15 mm 3751500KZ FB-180° D15.0-5xD-Z-H RT370
16 133 83
15,5 mm 3751550KZ FB-180° D15.5-5xD-Z-H RT370
16 133 83
16 mm 3751600KZ FB-180° D16.0-5xD-Z-H RT370
16 133 83
16,5 mm 3751650KZ FB-180° D16.5-5xD-Z-H RT370
18 143 93
17 mm 3751700KZ FB-180° D17.0-5xD-Z-H RT370
18 143 93
17,5 mm 3751750KZ FB-180° D17.5-5xD-Z-H RT370
18 143 93
18 mm 3751800KZ FB-180° D18.0-5xD-Z-H RT370
18 143 93
18,5 mm 3751850KZ FB-180° D18.5-5xD-Z-H RT370
20 153 101
19 mm 3751900KZ FB-180° D19.0-5xD-Z-H RT370
20 153 101
19,5 mm 3751950KZ FB-180° D19.5-5xD-Z-H RT370
20 153 101
20 mm 3752000KZ FB-180° D20.0-5xD-Z-H RT370
20 153 101

Cutting data

Workpiece Material Vc (m/min) Feed f (mm/rev.)
Ø 3 Ø 4 Ø 5 Ø 6 Ø 8 Ø 10 Ø 12 Ø 16 Ø 20

Structural Steel

38-80 0,02-0,09 0,03-0,12 0,05-0,15 0,05-0,18 0,06-0,24 0,09-0,30 0,08-0,36 0,14-0,48 0,20-0,60

Tempered Steel

25-45 0,02-0,05 0,03-0,06 0,05-0,10 0,05-0,12 0,06-0,16 0,09-0,20 0,08-0,24 0,14-0,32 0,20-0,40

Stainless Steel

30 0,02-0,05 0,04-0,08 0,04-0,10 0,06-0,12 0,10-0,16 0,14-0,20 0,14-0,24 0,22-0,32 0,30-0,40

Cast Iron

60-70 0,02-0,05 0,02-0,06 0,03-0,08 0,03-0,09 0,04-0,10 0,07-0,13 0,06-0,16 0,11-0,21 0,15-0,25

NF-Materials

165 0,05-0,09 0,08-0,12 0,09-0,15 0,12-0,18 0,18-0,24 0,24-0,30 0,26-0,36 0,38-0,48 0,50-0,60

Applications

Thanks to its specific 180° face geometry, this solid carbide drill is highly suitable for drilling blind holes with an exactly flat bottom. It also opens up flexible application possibilities for challenging tasks such as spot drilling on convex or inclined component surfaces, as well as for intersecting holes. The tool is a well-thought-out solution for CNC machining centers in series production, mechanical engineering, and general metalworking, where structural steel, tempered steel, stainless steel, cast iron, and aluminum alloys are reliably machined.

Special features

The PVD carbide grade RT370 (P10-P20/M10-M20/K10-K20) convinces with high wear resistance, supporting consistent cutting performance even in demanding materials. The internal cooling holes routed through the tool promote continuous chip evacuation from the drilling depth and significantly reduce the thermal stress on the cutting edges. This combination creates excellent conditions for high process reliability and repeatable hole results.

3750300KZ

Data sheet

Usable Length
5xD
Cooling Holes
with cooling Holes
Shaft
Cylindrical shaft

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