ø14.00 mm 15D Solid Carbide
Coolant-Thru Drill

At 15× diameter, this drill enters territory typically reserved for gun drills or BTA deep-hole systems — but at a fraction of the setup complexity. Purpose-engineered for crankshaft oil passages, long tie bolts, and heat-exchanger tube sheets. Full-diameter internal coolant delivery is mandatory.

Flute 248.00 mmShank ø14.00 mmOAL 297.00 mm140° PointTiAlN CoatingMOQ 1 pc

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Reference price

$517.91

Ref. factory price (USD)

Based on rod stock cost as of 2026-03-31. Final quotation may differ.

ø14.00mm 15D Coolant Drill

SKU: SCD-CTD-15D-D1400

✓ Factory direct pricing

✓ MOQ 1 piece, stock sizes ship 1–5 days

✓ Custom lengths & diameters available

Technical Specifications

Cutter Diameter (D1 h7)ø14.00 mm
Imperial Equivalent0.5512"
Flute Length (L2)248.00 mm
Shank Diameter (D2 h6)ø14.00 mm
Overall Length (L1)297.00 mm
Depth Ratio15D (15× diameter)
Point Angle140°
Helix Angle30°
Number of Flutes2
CoatingTiAlN / TiSiN Oerlikon Balzers BALINIT®
SubstrateK10/K20 Solid Carbide 10% Co binder
CoolantInternal twin-channel
ToleranceDIN 1414 · ISO 5419
MOQ1 piece
Lead Time (standard)1–5 business days
Lead Time (custom)5–15 business days

15D Dimensional Drawing

ø14.00mm 15D carbide coolant-thru drill dimensional drawing — L2=248.00mm OAL=297.00mm
D1 h7
ø14.00
L2
248.00
D2 h6
ø14.00
L1
297.00
Point
140°
Ratio
15D

ø14.00mm 15D — recommended applications

  • Structural steel fabrication
  • Wind-turbine hub drilling
  • Heavy-vehicle transmission cases
  • Mould and die cooling channels
Machining Tip: ø14.00mm requires higher coolant flow volume. Verify pump capacity (minimum 15 L/min) before running extended 8D+ cycles to maintain adequate chip evacuation.

Recommended Work Materials

S355 Structural Steel
GGG70 Nodular Iron
P20 Tool Steel
H13 Hot-Work Steel

15×D Ultra-Deep Coolant-Thru Drill

Ultra deep — crankshaft passages, long tie bolts, heat exchangers

15xD deep hole carbide drillcrankshaft oil passage drillultra deep hole drillinggun drill alternative

Ready to Order ø14.00mm 15D Coolant Drills?

Factory direct. MOQ 1 piece. Tell us quantity and delivery date — we'll confirm lead time and pricing within 4 business hours.