Sumitomo General Catalog 2025-2026

Strong MultiDrills HX Series ■ Product Range Coolant Supply

Ɣ Drilling of gray cast iron

Diameter Range (mm)

Number of items

.008 .016 .024 .032

Cat. No.

Hole Depth (L/D)

MDW □□□□ HX3

ø3.0 to ø20.0

up to 3 108 items in stock

MDW □□□□ HX5

Internal

ø3.0 to ø20.0

up to 5 108 items in stock

0

MDW □□□□ HX8

.08 .16

.40 .48 .56 .64 .24 .32

ø3.0 to ø18.0

up to 8 32 items in stock

Diameter (inch)

High Precision Improved margin point provides improved drilling precision.

Ɣ Conventional tool

Ɣ HX Type

J

Hole Entrance Hole Exit

Hole Entrance Hole Exit

12.52

12.52

Improves hole precision

Conventional Tool HX Type

12.51

12.51

12.50

12.50

12.49

12.49

12.48

12.48

5

10 15 20 25 30

5

10 15 20 25 30

Cutting Length (m)

Cutting Length (m)

Part Material : Grey Cast Iron, Tool: Conventional tool , MDW 1250HX5 (ø12.5mm 5D) Cutting Conditions : v c =328 SFM, f =0.024 IPR, H =1.979”, internal coolant supply (water soluble)

Longer Tool Life High-feed cutting reduces margin wear and extends tool life.

→ Maintains replacement frequency (cutting time) and enables high efficiency drilling.

Small amount of wear

● HX

● HX

● Conventional tool

Double the feed

Cutting Conditions:  f =0.012 IPR, cutting length: 98 ft. (cutting time 39 minutes)

Cutting Conditions:  f =0.012 IPR, cutting length: 98 ft. (cutting time 39 minutes)

Cutting Conditions:  f =0.024 IPR, cutting length: 197 ft. (cutting time 39 minutes)

Part Material: Grey Cast Iron , Tool: C onventional tool, MDW 1250HX5 (ø12.5mm 5D) Cutting Conditions :  v c =328 SFM, f =0.024 IPR, H =1.979", internal coolant supply (water soluble)

■ Application Examples

Machine Component Grey Cast Iron ·Tool:  MDW 1850HX5 (ø18.5mm 5D) ·Drilling Distance: 164 ft. ·Cutting Conditions:  v c =230 SFM, f =0.035 IPR,

Facility Component Ductile Cast Iron ·Tool:  MDW 0850HX5 (ø8.5mm 5D) ·Drilling Distance:  164 ft. ·Cutting Conditions:  v c =230 SFM, f =0.012 IPR v f =30.9 IPM,

H =88.6 ft. (stop), internal coolant supply (water soluble)

H =88.6 ft. (stop), internal coolant supply (water soluble) Reduced cutting edge wear in ultra-high-speed drilling. Cutting Edge Rake Face Condition after Preset Tool Life Competitor's High-Efficiency Drill HX Type

Double the drilling efficiency of conventional tools.

HX Type

30.9 IPM

15.5 IPM

Conventional Tool

v f

0

16

32

Machine Components (Sintered Material) ·Tool:  MDW 0570HX3 ·Cutting Conditions:  v c =230 SFM, f =0.035 IPR H =88.6 ft. (stop), internal coolant supply (water soluble) Less resistance and edge chipping than competitor's products!

Engine Component Ductile Cast Iron ·Tool:  MDW 1200HX3 (ø12.0mm 3D) ·Drilling Distance:  164 ft. ·Cutting Conditions: C onventional Tool: v c =179 SFM, f =0.0087 IPR, v f =11.48 IPM HX Type: v c =164 SFM, f =0.0157 IPR, v f =20.88 IPM H =91.9 ft. (stop), internal coolant supply (water soluble) Stable cutting performance with 1.8 times the drilling efficiency of conventional tools.

(N)

Competitor's Product

HX Type

1000 1200

Thrust

56% less

200 400 600 800

Cutting Edge Wear Comparison after Fixed Tool Life Conventional tool ( f = 0.0087 IPR )

0

1.2

1.4

1.6

1.8

1.4

1.6

1.8

2.0

-200

HX Type ( f = 0.0157 IPR )

Competitor's Product

HX Type

Hole Entrance

No edge chipping

J61

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