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Turning

External Turning Holders

ISO-standard clamping for every approach angle

Complete ISO external turning holder range — M-clamp, W-clamp, A-clamp, B-clamp, threading, and screw-on styles. Right-hand, left-hand, and neutral variants in shank sizes 12–40 mm². Full compatibility with ISO 5610.

AutomotiveGeneral EngineeringOil & GasMedicalPower Generation

Technical Specifications

Clamping SystemsM-clamp, W-clamp, A-clamp, B-clamp, Screw-on
Shank Sizes12 mm² – 40 mm² (square shank)
Insert StylesT, C, D, S, V, W shapes + threading
StandardISO 5610 / DIN 4983
Seat Accuracy±0.01 mm (ground pocket)
HandRight-hand (R), Left-hand (L), Neutral (N)

Applications

Heavy roughing — forgings, castings, and hard scale
Semi-finishing — dimensional control and Ra preparation
Finishing — ground insert holders for tight tolerances
Threading — single-point external thread turning
Profile and copy turning — approach angle flexibility
High-production CNC turning — fast insert change priority

About External Turning Holders

PROEDGE supplies four distinct clamping systems for external turning, each optimised for a specific machining scenario. M-clamp (top clamp + hole) provides the most rigid clamping for heavy roughing. W-clamp (wedge) gives fast insert indexing without full removal of clamping hardware. A-clamp (top clamp only) suits positive inserts and light turning. B-clamp (wedge lever) combines speed and rigidity for production turning. Threading holders (SER/L) and screw-on holders (SCL, SCV, SDJ, SVQ, STF, SVU, SVJ) complete the programme. All holders follow ISO 5610 — interchangeable with your existing tool block and turret systems.

Key Features

M-clamp (top + hole): maximum rigidity — preferred for interrupted cuts and scale
W-clamp (wedge): tool-free insert indexing — ideal for production turning
A-clamp: positive top clamp for light finishing on positive insert styles
B-clamp (lever wedge): fast and rigid — popular for automated turning cells
Screw-on styles (SCLCR/L, SDJCR/L, etc.) for positive inserts and copy turning
Threading SER/L holders for single-point external thread generation

Holder & Cutter Body Dimensions

DesignationDescription
WTJNR/LW-clamp, TNMG insert, 91° approach
MTFNR/LM-clamp, TNMG insert, 91° approach
MTJNR/LM-clamp, TNMG insert, 93° approach
MCLNR/LM-clamp, CNMG insert, 95° approach
MSSNR/LM-clamp, SNMG insert, 45° approach
MSDNNM-clamp, SNMG insert, straight neutral
MVVNNM-clamp, VNMG insert, straight neutral
MVQNR/LM-clamp, VNMG insert, 107° approach
MVUNR/LM-clamp, VNMG insert, profile copying
MVJNR/LM-clamp, VNMG insert, 93° approach
MWLNR/LM-clamp, WNMG insert, 95° approach
ACLNR/LA-clamp, CNMG insert
ACKNR/LA-clamp, CNMG insert, 45° approach
ACBNR/LA-clamp, CNMG insert, 75° approach
ACZNNA-clamp, CNMG insert, neutral straight
AWLNR/LA-clamp, WNMG insert
ASBNR/LA-clamp, SNMG insert, 75° approach
ASDNNA-clamp, SNMG insert, straight neutral
ADJNR/LA-clamp, DNMG insert, 93° approach
BTJNR/LB-clamp, TNMG insert, 91° approach
BTQNR/LB-clamp, TNMG insert, 107° approach
BTENNB-clamp, TNMG insert, 60° approach neutral
BWLNR/LB-clamp, WNMG insert
BDJNR/LB-clamp, DNMG insert, 93° approach
BSDNNB-clamp, SNMG insert, straight neutral
BVQNRB-clamp, VNMG insert, 107° approach
BVVNNB-clamp, VNMG insert, straight neutral
SER/LThreading holder, external thread turning
SCLCR/LScrew-on, CCMT insert, 95° approach
SCKCR/LScrew-on, CCMT insert, 45° approach
SVQBR/LScrew-on, VCMT insert, 107° approach
SDJCR/LScrew-on, DCMT insert, 93° approach
SVVNNScrew-on, VCMT, straight neutral
SVQNR/LScrew-on, VCMT, 107° approach
STFCR/LScrew-on, TCMT insert, 91° approach
SVUBR/LScrew-on, VCMT, profile copy
SVJCR/LScrew-on, VCMT, 93° approach

All dimensions in mm. Contact us for OAL variants and special-order lengths.

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03

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