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Drilling tools and sets

Drilling tools and sets

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TDHMC3
TDHMC3
TDHMC3
TDHMC3

TDHMC3

Twist Drill HSS 4241 MC3 Ø 24 to Ø 31

Twist Drill HSS 4241 MC3 Ø 24.0 mm to Ø 31.0 mm

outside / maximum diameter (millimeter)
length (millimeter)
Order
Order codeTDHMC3.240
EAN code8720999144845
Order
Order codeTDHMC3.250
EAN code8720999144852
Order
Order codeTDHMC3.260
EAN code8720999144869
Order
Order codeTDHMC3.270
EAN code8720999144876
Order
Order codeTDHMC3.280
EAN code8720999144883
Order
Order codeTDHMC3.290
EAN code8720999144890
Order
Order codeTDHMC3.300
EAN code8720999144906
Order
Order codeTDHMC3.310
EAN code8720999144913
Order

Drilling with maximum stability and direct power transfer

A Morse taper twist drill removes the full material instead of leaving a core, as an annular cutter would. This makes it practical when full material removal, precise positioning or more control is required, such as when drilling blind holes.

Compared to a standard round-shank twist drill, the Morse taper connection gives a more rigid fit between the drill and machine spindle. This supports direct torque transfer, reduces movement during heavier drilling and improves stability and control.

Once the machine is set up, Morse taper drills can be changed quickly by tapping out one drill and inserting another, making diameter changes practical.

The spiral flute design supports efficient chip removal. For steel and other metals, use the correct cutting oil or coolant to extend tool life and support hole quality and accuracy.

This type of drill is especially useful when you:
• need to drill blind holes
• need precise positioning and centring
• want more stability than with standard round-shank twist drills
• need to change between different drill diameters during the job

Available range
• MT2: Ø 15.0 mm to Ø 23.0 mm
• MT3: Ø 24.0 mm to Ø 31.0 mm
• MT4: Ø 32.0 mm to Ø 50.0 mm
• MT5: Ø 55.0 mm to Ø 75.0 mm


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Key features
High speed steel
118° split point
Spiral flute design for efficient chip removal
Morse taper shank for direct machine fitment
For metal drilling
Available from MT2 to MT5
Commonly manufactured according to DIN 345 for Morse taper shank twist drills
Drill diameter tolerance: h8, supporting consistent and accurate drilling performance

Properties

Connection
connection 1 modeloutside
connection 1 typemorse taper
connection 1 morse taper / drill chuck classMT3
Dimensions
tool point type118 degree split point
length (millimeter)281, 286, 291, 296, 301
outside / maximum diameter (millimeter)See table
Properties
materialHSS 4241
standard code345
standard typeDIN
system of measurementmm (metric)
applicationDrilling

Variations

No.length (millimeter)outside / maximum diameter (millimeter)Quantity
51912402813004
TDHMC3.240		length (L / mm): 281diameter outside, -to (Do / mm): 24
51912502813004
TDHMC3.250		length (L / mm): 281diameter outside, -to (Do / mm): 25
51912602863004
TDHMC3.260		length (L / mm): 286diameter outside, -to (Do / mm): 26
51912702913004
TDHMC3.270		length (L / mm): 291diameter outside, -to (Do / mm): 27
51912802913004
TDHMC3.280		length (L / mm): 291diameter outside, -to (Do / mm): 28
51912902963004
TDHMC3.290		length (L / mm): 296diameter outside, -to (Do / mm): 29
51913002963004
TDHMC3.300		length (L / mm): 296diameter outside, -to (Do / mm): 30
51913103013004
TDHMC3.310		length (L / mm): 301diameter outside, -to (Do / mm): 31
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