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Compatible ER Collet Accessories
Specifications
Material & Construction
Material: 65Mn, Hardness: HRC44-48, Coolant Pressure: 7MPa
ER/C Collet (Oil Hole Type)
ER/C Collets (Oil Hole Type) - Through-Coolant Collets **SPECIAL COLLET - Internal coolant passage for better chip evacuation** ER/C collets have an internal coolant hole that allows cutting fluid to flow through the collet and out through the tool (if tool has internal coolant). WHY USE COOLANT-THROUGH COLLETS: ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✓ Better chip evacuation (especially in deep holes) ✓ Improved tool life ✓ Better surface finish ✓ Essential for internal coolant drills ✓ Reduced heat at cutting edge ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ AVAILABLE SIZES: ┌──────────┬───────────────┬─────────────────────────┐ │ ER/C Size│ Clamping Range│ Typical Tools │ ├──────────┼───────────────┼─────────────────────────┤ │ ER11C │ 3-7mm │ Small coolant drills │ │ ER16C │ 3-10mm │ Common coolant drills │ │ ER20C │ 3-13mm │ Medium drills/taps │ │ ER25C │ 3-16mm │ Standard drills │ │ ER32C │ 3-20mm │ Large drills (popular) │ │ ER40C │ 4-26mm │ Heavy duty drills │ │ ER50C │ 12-34mm │ Large diameter drills │ └──────────┴───────────────┴─────────────────────────┘ REQUIREMENTS: • Tool holder with through-coolant capability • Machine with coolant-through-spindle (CTS) • Cutting tools with internal coolant holes HOW IT WORKS: 1. Coolant enters spindle 2. Flows through tool holder center 3. Passes through ER/C collet center hole 4. Exits through tool's internal passages 5. Reaches cutting edge directly! COMPATIBLE WITH: • BT-ER Tool Holders (with CTS) • HSK-A-ER Tool Holders (standard CTS) • Through-coolant straight shank holders • Internal coolant drills (HM drills with coolant) • ER Nuts (standard type) BEST FOR: • Deep hole drilling • Production drilling • Stainless steel machining • Difficult materials 95 variants | Price: €8.65 - €31.62
Internal Coolant System
Equipped with internal coolant channels for enhanced cooling
Select Specifications
φ(d)=Cutting Diameter | R=Radius | D=Shank Diameter | I=Cutting Length | L=Overall Length | All in mm
D=Diameter | L1, L2, L3=Length Dimensions | L=Overall Length | D1=Shank Diameter | All in mm
Select blade width, groove depth (T), and working radius range to find the right Face Groove tool
Select boring diameter range, shank diameter (D), and insert type (C=diamond/T=triangular) to find the right boring head
Select CBA model (complete boring range) and internal boring range to find the right micro finish boring head
Select LBK model (matches your CBA boring head) and extension length to find the right extension rod
Select BT type (spindle taper), LBK number (locking block socket), CBA head model, and projection length (L1) to find the right boring head shank
HRC≤56 is recommended for best price/performance ratio with newest nano-black coating technology.
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SKU / Article Number
D (Diameter)
L1
L2
L3
L (Overall)
D1
Insert Code
Insert Count
h
b
H
F
L
L1
f
Insert
Blade Width
Blade Height
Groove Depth
Orientation
Working Radius Range
Compatible Inserts
φ(d)
R
D
I
L
Morse #
H7 Tolerance
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