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NACHI COSD Cobalt Straight Shank Drill
NACHI Drilling

NACHI COSD Cobalt Straight Shank Drill

Workpiece material (ISO)
P · SteelM · Stainless

HSS-Co drill for machining steel and stainless steel, straight-shank type. Ø0.2–13 mm in 0.1 mm diameter increments (129 catalogue items). Ships in a single coating option. Rated for ISO P/M material classes. Part of NACHI's drilling tool range. Cataloged under the COSD order-code prefix.

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Features & uses

Engineered for performance

1

HSS-Co (Cobalt) Substrate

A cobalt-alloyed high-speed-steel body (the catalogue's own "Cobalt" designation), uncoated, across all 129 catalogue sizes.

2

Straight-Shank Design

A straight cylindrical shank (the catalogue's own "Straight Shank" designation) for standard drill-chuck mounting.

3

Steel & Stainless Steel Coverage

Rated for ISO P (steel) and M (stainless steel) material groups — the cobalt content extends coverage to tougher stainless work beyond the plain-HSS SD line.

4

Ø0.2–13 mm, 19–152 mm Overall Length

Diameters run Ø0.2–13 mm in 0.1 mm increments, with overall lengths from 19 to 152 mm across 129 sizes.

Workpiece material

Material applicability

P

Steel

  • Structural steel SS400
    ○ Suitable

    Catalogue mark: ○

  • Carbon steel S45C
    ○ Suitable

    Catalogue mark: ○

  • Alloy steel SCM
    ○ Suitable

    Catalogue mark: ○

K

Cast iron

  • Cast iron FC/FCD
    ○ Suitable

    Catalogue mark: ○

N

Non-ferrous

  • Aluminum alloy AC/ADC
    ○ Suitable

    Catalogue mark: ○

  • Copper Cu
    ○ Suitable

    Catalogue mark: ○

Source: Catalogue · NACHI 2003-29 catalogue HSS Drill Selection Chart, visually reviewed for COSD. · Selection Chart pages B-4–B-7

Specifications

Sizes & part numbers

ORDER NO.ØFLUTE LOALCOATING
COSD0.2 □ 0.2 mm 2 19 HSSCO
COSD0.3 0.3 mm 2.5 20 HSSCO
COSD0.4 0.4 mm 4 24 HSSCO
COSD0.5 0.5 mm 5 27 HSSCO
COSD0.6 0.6 mm 5.5 30 HSSCO
COSD0.7 0.7 mm 7.5 32 HSSCO
COSD0.8 0.8 mm 8 34 HSSCO
COSD0.9 0.9 mm 9 36 HSSCO
COSD1.0 1 mm 10 40 HSSCO
COSD1.1 1.1 mm 11 42 HSSCO
COSD1.2 1.2 mm 13 42 HSSCO
COSD1.3 1.3 mm 13 45 HSSCO
COSD1.4 1.4 mm 14.5 48 HSSCO
COSD1.5 1.5 mm 14.5 48 HSSCO
COSD1.6 1.6 mm 16 50 HSSCO
COSD1.7 1.7 mm 16 50 HSSCO
COSD1.8 1.8 mm 17.5 52 HSSCO
COSD1.9 1.9 mm 17.5 52 HSSCO
COSD2.0 2 mm 20 55 HSSCO
COSD2.1 2.1 mm 20 55 HSSCO
COSD2.2 2.2 mm 23 58 HSSCO
COSD2.3 2.3 mm 23 58 HSSCO
COSD2.4 2.4 mm 24.5 61 HSSCO
COSD2.5 2.5 mm 24.5 61 HSSCO
COSD2.6 2.6 mm 26 64 HSSCO
COSD2.7 2.7 mm 26 64 HSSCO
COSD2.8 2.8 mm 27 67 HSSCO
COSD2.9 2.9 mm 29.5 71 HSSCO
COSD3.0 3 mm 29.5 71 HSSCO
COSD3.1 3.1 mm 29.5 71 HSSCO
COSD3.2 3.2 mm 29.5 71 HSSCO
COSD3.3 3.3 mm 31.5 73 HSSCO
COSD3.4 3.4 mm 31.5 73 HSSCO
COSD3.5 3.5 mm 31.5 73 HSSCO
COSD3.6 3.6 mm 33.5 76 HSSCO
COSD3.7 3.7 mm 33.5 76 HSSCO
COSD3.8 3.8 mm 33.5 76 HSSCO
COSD3.9 3.9 mm 36 79 HSSCO
COSD4.0 4 mm 38 83 HSSCO
COSD4.1 4.1 mm 38 83 HSSCO
COSD4.2 4.2 mm 38 83 HSSCO
COSD4.3 4.3 mm 38 83 HSSCO
COSD4.4 4.4 mm 39 86 HSSCO
COSD4.5 4.5 mm 39 86 HSSCO
COSD4.6 4.6 mm 39 86 HSSCO
COSD4.7 4.7 mm 41 89 HSSCO
COSD4.8 4.8 mm 41 89 HSSCO
COSD4.9 4.9 mm 43 92 HSSCO
COSD5.0 5 mm 43 92 HSSCO
COSD5.1 5.1 mm 43 92 HSSCO
COSD5.2 5.2 mm 45 95 HSSCO
COSD5.3 5.3 mm 45 95 HSSCO
COSD5.4 5.4 mm 45 95 HSSCO
COSD5.5 5.5 mm 45 95 HSSCO
COSD5.6 5.6 mm 47 98 HSSCO
COSD5.7 5.7 mm 47 98 HSSCO
COSD5.8 5.8 mm 47 98 HSSCO
COSD5.9 5.9 mm 47 98 HSSCO
COSD6.0 6 mm 49 102 HSSCO
COSD6.1 6.1 mm 49 102 HSSCO
COSD6.2 6.2 mm 49 102 HSSCO
COSD6.3 6.3 mm 49 102 HSSCO
COSD6.4 6.4 mm 51 105 HSSCO
COSD6.5 6.5 mm 51 105 HSSCO
COSD6.6 6.6 mm 51 105 HSSCO
COSD6.7 6.7 mm 51 105 HSSCO
COSD6.8 6.8 mm 51 105 HSSCO
COSD6.9 6.9 mm 51 105 HSSCO
COSD7.0 7 mm 51 105 HSSCO
COSD7.1 7.1 mm 53 108 HSSCO
COSD7.2 7.2 mm 53 108 HSSCO
COSD7.3 7.3 mm 53 108 HSSCO
COSD7.4 7.4 mm 55 111 HSSCO
COSD7.5 7.5 mm 55 111 HSSCO
COSD7.6 7.6 mm 55 111 HSSCO
COSD7.7 7.7 mm 57 114 HSSCO
COSD7.8 7.8 mm 57 114 HSSCO
COSD7.9 7.9 mm 57 114 HSSCO
COSD8.0 8 mm 57 114 HSSCO
COSD8.1 8.1 mm 59 117 HSSCO
COSD8.2 8.2 mm 59 117 HSSCO
COSD8.3 8.3 mm 59 117 HSSCO
COSD8.4 8.4 mm 61 121 HSSCO
COSD8.5 8.5 mm 61 121 HSSCO
COSD8.6 8.6 mm 61 121 HSSCO
COSD8.7 8.7 mm 61 121 HSSCO
COSD8.8 8.8 mm 63 124 HSSCO
COSD8.9 8.9 mm 63 124 HSSCO
COSD9.0 9 mm 63 124 HSSCO
COSD9.1 9.1 mm 63 124 HSSCO
COSD9.2 9.2 mm 65 127 HSSCO
COSD9.3 9.3 mm 65 127 HSSCO
COSD9.4 9.4 mm 65 127 HSSCO
COSD9.5 9.5 mm 65 127 HSSCO
COSD9.6 9.6 mm 67 130 HSSCO
COSD9.7 9.7 mm 67 130 HSSCO
COSD9.8 9.8 mm 67 130 HSSCO
COSD9.9 9.9 mm 67 130 HSSCO
COSD10.0 10 mm 67 130 HSSCO
COSD10.1 10.1 mm 69 133 HSSCO
COSD10.2 10.2 mm 69 133 HSSCO
COSD10.3 10.3 mm 69 133 HSSCO
COSD10.4 10.4 mm 69 133 HSSCO
COSD10.5 10.5 mm 70 137 HSSCO
COSD10.6 10.6 mm 70 137 HSSCO
COSD10.7 10.7 mm 70 137 HSSCO
COSD10.8 10.8 mm 72 140 HSSCO
COSD10.9 10.9 mm 72 140 HSSCO
COSD11.0 11 mm 72 140 HSSCO
COSD11.1 11.1 mm 72 140 HSSCO
COSD11.2 11.2 mm 75 143 HSSCO
COSD11.3 11.3 mm 75 143 HSSCO
COSD11.4 11.4 mm 75 143 HSSCO
COSD11.5 11.5 mm 75 143 HSSCO
COSD11.6 11.6 mm 77 146 HSSCO
COSD11.7 11.7 mm 77 146 HSSCO
COSD11.8 11.8 mm 77 146 HSSCO
COSD11.9 11.9 mm 77 146 HSSCO
COSD12.0 12 mm 78 149 HSSCO
COSD12.1 12.1 mm 78 149 HSSCO
COSD12.2 12.2 mm 78 149 HSSCO
COSD12.3 12.3 mm 78 149 HSSCO
COSD12.4 12.4 mm 80 152 HSSCO
COSD12.5 12.5 mm 80 152 HSSCO
COSD12.6 12.6 mm 80 152 HSSCO
COSD12.7 12.7 mm 80 152 HSSCO
COSD12.8 12.8 mm 80 152 HSSCO
COSD12.9 12.9 mm 80 152 HSSCO
COSD13.0 13 mm 80 152 HSSCO

□ = special order (made to order, longer lead time)

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