JCD · 8D · ø10mm · C20 (Ds 20 mm)
C20-100-8D
ø10mm 8D JCD Replaceable-Tip Drill Shank
The 8D shank brings replaceable-tip economics to deep-hole applications where conventional solid carbide tools are prohibitively expensive. Designed for oil passage drillings, structural steel, and heavy engineering components. Requires internal coolant at ≥ 20 bar for reliable chip flush at full depth.
D 10mmL1 80mmD1 24mmDs 20mmInsert: HCD-10.0-10.9Wrench: T6MOQ 1 pc
Get Pricing & Stock
C20-100-8D
ø10mm 8D Modular Shank · C20 (Ds 20 mm)
✓ Factory direct — no distributor margin
✓ MOQ 1 piece, ships 1–5 days
✓ Matching insert HCD-10.0-10.9 also available
Full Dimensions
Technical Specifications
| Product Code | C20-100-8D |
| Cutting Diameter (D) | 10 mm |
| Overall Length (L1) | 80 mm |
| Body Diameter (D1) | 24 mm |
| Shank Diameter (Ds) | 20 mm (C20 (Ds 20 mm)) |
| Depth Ratio | 8D (8× diameter) |
| Required Insert | HCD-10.0-10.9 |
| Clamping Screw | CM2.2*9 |
| Torx Wrench | T6 |
| Coolant | Internal through-coolant up to 80 bar |
| System | JCD Replaceable-Tip Modular Drill |
| MOQ | 1 piece |
| Lead Time | 1–5 business days |
8D Shank Diagram

D
ø10
L1
80
D1
ø24
Ds
ø20
Ratio
8D
Insert
10.0
Where This Tool Excels
ø10mm 8D — recommended applications
- ▸Precision fixture plates
- ▸Hydraulic sub-plates
- ▸Electronic housing features
- ▸Small instrument bodies
Machining Tip: At ø10mm the C20 shank (Ds=20mm) mounts directly in standard ER20 or SK collet systems. Feed rate 0.10–0.18 mm/rev; spindle speed up to 4,000 RPM in steel.
Material Compatibility
Recommended Work Materials
6061 Aluminium
C45 Steel
304 Stainless
EN-GJL-250 Grey Iron
Required Insert
HCD-10.0-10.9
ø10.0–10.9mm · 138° point · ø3mm coolant
Insert change < 30 seconds — no shank removal required
Same Diameter, Different Reach
ø10.00 mm Also Available In
Order C20-100-8D Today
Factory direct. MOQ 1 piece. Don't forget to order matching insert HCD-10.0-10.9 for immediate production.


