(DHM20) Dream Drill MQL Type With Coolant Hole 20XD

TiAlN-Coated Deep Steel Drilling 20×D

YG-1 DHM20 official product photograph · transparent
$505.01 INC GST $459.10 EX GST
SKU
DHM20030
Work materials
PK

Key features

  • 20xD extra-long solid-carbide drill design
  • MQL-compatible configuration with coolant holes
  • TiAlN nano-layer full coating
Tool material Carbide
Surface treatment Titanium Aluminium Nitride
Drill Diameter (mm)
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Deep drilling reach

The DHM20 series provides a 20xD drilling depth for extra-long drilling applications.

MQL-compatible design

Coolant holes and MQL compatibility support controlled coolant delivery during drilling.

Efficient chip control

Optimised and polished flutes are designed to improve chip removal and evacuation.

SKUDrill Diameter (mm)Overall length (mm)Shank dia. (mm)Flute length (mm)CAD filesStock Price Qty Add
DHM200303.0110.06.070.0STEPDXF 1-2 Weeks $459.10
DHM200353.5122.06.082.0STEPDXF 1-2 Weeks $483.40
DHM200404.0133.06.093.0STEPDXF 1-2 Weeks $459.10
DHM200454.5145.06.0105.0STEPDXF 1-2 Weeks $543.20
DHM200505.0156.06.0116.0STEPDXF 1-2 Weeks $543.20
DHM200555.5168.06.0128.0STEPDXF 1-2 Weeks $473.80
DHM200606.0179.06.0139.0STEPDXF Low stock $473.80
DHM200707.0202.06.0162.0STEPDXF 1-2 Weeks $615.10
DHM200808.0225.08.0185.0STEPDXF 1-2 Weeks $536.50
DHM200909.0252.08.0208.0STEPDXF 1-2 Weeks $773.10
DHM2010010.0276.010.0232.0STEPDXF 1-2 Weeks $616.50
DHM2012012.0327.012.0278.0STEPDXF 1-2 Weeks $1,047.70

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Product Description

YG-1 DHM20 Dream Drill MQL Type is a 20xD solid-carbide drill with coolant holes and TiAlN coating. This extra-long drill is designed for MQL-compatible production drilling applications and features coolant holes. Its four-facet point provides good centring capability at the beginning of each drilling cycle. Optimised special flutes are designed for efficient chip removal and productive drilling. Polished flute surfaces with upgraded TiAlN nano-layer full coating enhance effective chip evacuation. The end mill shank design is paired with a solid-carbide construction. The listed DHM20 variants cover drill diameters from 3.0 mm through 12.0 mm. Each model is specified with 20xD drilling depth and 45 bar coolant capability.

  • 20xD extra-long solid-carbide drill design
  • MQL-compatible configuration with coolant holes
  • TiAlN nano-layer full coating
  • Four-facet point for good centring capability
  • Optimised special flutes for chip removal
  • 3.0 to 12.0 mm drill diameter range
Product Data
Dimension Tolerance H7
Helix Angle 30­°
Hole Type Blind, Through
Point Angle 140°
Shank Diameter Tolerance
Surface Treatment Titanium Aluminium Nitride
Tool Material Carbide

Work materials

VDI 3323 recommendations for this tool.

ExcellentGood

Steel

8 grades
Non-alloy steel
ExcellentVDI 1–2
GoodVDI 3
Low-alloy steel
ExcellentVDI 6
GoodVDI 7–8
High-alloy and tool steel
GoodVDI 10–11

Cast iron

6 grades
Grey cast iron
ExcellentVDI 15
GoodVDI 16
Nodular cast iron
ExcellentVDI 17
GoodVDI 18
Malleable cast iron
ExcellentVDI 19
GoodVDI 20
VDI grade reference14 grades

Individual grade ratings and nominal hardness references. Base grades and decimal subgrades are listed separately.

Recommended VDI grades and nominal hardness references
VDIWork materialRecommendationHB ref.HRC ref.
1PNon-alloy steelExcellent125-
2PNon-alloy steelExcellent19013
3PNon-alloy steelGood25025
6PLow-alloy steelExcellent18010
7PLow-alloy steelGood27529
8PLow-alloy steelGood30032
10PHigh-alloy and tool steelGood20015
11PHigh-alloy and tool steelGood32535
15KGrey cast ironExcellent18010
16KGrey cast ironGood26026
17KNodular cast ironExcellent1603
18KNodular cast ironGood25025
19KMalleable cast ironExcellent130-
20KMalleable cast ironGood23021

HB and HRC values are nominal catalogue references. Grade subdivisions can vary between catalogues.

Recommendations apply to the listed VDI grades. Unlisted grades have no stated recommendation.

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