Section F 25-26

F F1 to F86

Grooving / Cut-Off Threading Tools

Grooving Tool Series Selection Guide … ………… F2 GND Intro Pages … …………………………………… F4 GND Recommended Cutting Conditions … ………F14 GND Key Points…………………………………………F15 GND Nomenclature… …………………………………F19 Inserts for GND… ………………………………………F21 GND for Small Lathes …………………………………F23 GND with Internal Coolant for Small Lathes………F24 GNDM… …………………………………………………F25 GNDMS / GNDM-J………………………………………F26 GNDL………………………………………………………F27 GNDLS / GNDL-J… ……………………………………F28 GND-J Parts / Hoses… ………………………………F29 GND-PSC Polygon Shank… …………………………F30 GNDS / GNDN … ………………………………………F32 GNDXL… …………………………………………………F33 GNDF………………………………………………………F34 GNDFS (Face Groove) …………………………………F36 GNDI (For General-purpose Internal Grooves)… ………F37 GNDIS (For General-purpose Internal Grooves)…………F38 GND Special Grooving Insert Request Form… ………F39 GND Application Examples ………………………………F40 GWC (Shallow Grooves) ………………………………F43 GWCS (Shallow Grooves) … …………………………F44 GWCI (Internal Shallow Grooves) ……………………F44 TGA Grooving Insert … ………………………………F45 TGA Insert / TGA PSC… ………………………………F46 SumiTurn B-Groove Triangular Insert with Chipbreaker for Grooving … …… F47 CKB (For Very Small Diameter Grooves) … ………F49 SSH (For Small Diameters) … ………………………F51 SGIT (For Small Diameters) … ………………………F53 SumiNotch… ……………………………………………F54 CBN GWB (For Hardened Steel, Shallow Grooves) … ……F56 CGA PSC / CBN BNGG (For Hardened Steel, Shallow Grooves) ……F57 Threading Tool Series Selection Guide ....................................... F69 Basics of Threads ....................................................................... F72 For External / Internal Diameters ................................................ F73 Threading Inserts ........................................................................ F77 Threading Tools ··· F68 on

Grooving Tools

Cut-Off Tools ··· F58 on Cut-Off Tool Holder Series Selection Guide .............................. F59 SumiGrip Introduction ................................................................ F60 SumiGrip .................................................................................... F61 Small Diameter Cut-Off Tool Holders ......................................... F66

● : Standard stocked item « : Worldwide Warehouse Item ▲ : Limited Avaibility Item, made to order, or discontinued (please confirm stock availability).

Stock Markings and Symbols

Blank: Made-to-order item — mark: Not available

Grooving Tools Selection Guide

1.575” / 40

External Grooving

.197” / 5

Width of cut .197” / 5mm or less Close-up

GNDXL

1.181” / 30

Width of cut 2.0mm is a made-to-order item

GNDL-J Internal Coolant Supply

.157” / 4

GNDL For Small Lathes

GNDL-J Internal Coolant Supply For Small Lathes

GNDL

GNDLS L type

GNDM-J Internal Coolant Supply For Small Lathes

.787” / 20

.118” / 3

GNDM

GNDM-J Internal Coolant Supply

GWC / GWCS

GNDMS L type GNDS

GNDM For Small Lathes

.079” / 2

.394” / 10

GWC / GWCS

.039” / 1

.197” / 5

GWB series Hardened Steel

.118” / 3

.039” / 1

.236” / 6

.275” / 7 .315” / 8

.354” / 9.394” /10

.079” / 2

.157” / 4

.197” / 5

.118” / 3

.039” / 1

.079” / 2

.157” / 4

.197” / 5

Groove Width ( Inch / mm )

Groove Width (Inch / mm )

External Grooving Tools

* mark: For groove depths and width combinations, refer to the above gures or the relevant page.

Groove Depth* Groove Width*

Structure

Insert Shape ( ) indicates no. of cutting edges

1.575 / 40

.787 / 20 1.181 / 30

.394 / 10

Series

Shape

Features

(Inch / mm )

.079 / 2

.157 / 4

.236 / 6

.315 / 8

.394 /10

GWC

· High rigidity double clamping (Screw-on for Mini Holders) · Triangular type insert with 3 usable corners

.197” / 5.0

.189” / 4.8

.013” / .33

F43

(3) (Standard, with Chipbreaker) Traverse Cutting Possible

GWCS

.197” / 5.0

· "L-shaped" (side cut) GWC holder

.189” / 4.8

.013” / .33

F44

Hardened Steel GWB *1

· High-rigidity design reduces vibration · Enables high-efficiency turning and traversing thanks to its short tool overhang length · High-rigidity design reduces vibration · 16x16, 20x12mm square shanks available · High rigidity double clamping · Employs Coated CBN - SUMIBORON for interrupted turning of hardened steel

.197” / 5.0

.059” / 1.5 Traverse Cutting Possible (1)

. 236” / 6.0

F56

GNDS

.394” / 10.0

.079” / 2.0

. 236” / 6.0

F32

GNDM For Small Lathes

.669” / 17.0

.118” / 3.0

F23

.049” / 1.25

Internal Coolant Supply For Small Lathes GNDM-J

· GNDM with internal coolant supply for small lathes

.669” / 17.0

(2) (2)

.118” / 3.0

F24

.049” / 1.25

GNDM

· High-rigidity design reduces vibration · Perfect for traverse cutting and profiling

.708” / 18.0

Traverse Cutting Possible

.315” / 8.0

F25

.049” / 1.25

GNDMS GNDM-J Internal Coolant Supply

1 .708” / 8.0

· GNDM with internal coolant supply

.079” / 2.0

. 236” / 6.0

F26

.906” / 23.0

· "L-shaped" (side cut) GNDM

.118” / 3.0

. 236” / 6.0

F26

For Small Lathes GNDL

· High-rigidity design reduces vibration · 10x10, 12x12, 16x16, 20x12mm square shanks available

.827” / 21.0

.118” / 3.0

F23

.049” / 1.25

Internal Coolant Supply For Small Lathes GNDL-J

· GNDL with internal coolant supply for small lathes

.827” / 21.0

.118” / 3.0

F24

.049” / 1.25

GNDL

(2)

· High-rigidity design reduces vibration · Perfect for grooving, deep grooving and cut-off applications

.984” / 25.0

.315” / 8.0

(2)

F27

.049” / 1.25

Internal Coolant Supply GNDL-J

.984” / 25.0

· GNDL with internal coolant supply

.079” / 2.0

. 236” / 6.0

F28

GNDLS

.984” / 25.0

· "L-shaped" (side cut) GNDL

.079” / 2.0

. 236” / 6.0

F28

GNDXL

(1)

· Supports a maximum grooving depth of 32mm.

1.260” / 32.0

.079” / 2.0

. 236” / 6.0

*1: For hardened steel, refer to page F57 for CBN / SUMIBORON Grooving Holder BNGG series. *2: Width of cut 2.0mm is a made-to-order item. (1) F33

Grooving Tools Selection Guide

Face Grooving

Internal Grooving

GNDF

GNDFS Groove width lineup 6/8mm only

Made-to-order item

GNDI

CKB

SSH GNDIS

SGIT

CKB

GWCI

Groove Width ( mm )

Face Grooving Tools

Machining diameter (Inch/ mm ) Groove Depth* Note: * mark: For groove depths and width combinations, refer to the above gures or the relevant page. Groove Width* Features Insert Shape ( ) indicates no. of cutting edges .079” / 2 .157” / 4 .236” / 6 .315” / 8 .394” / 10 .787” / 20 1.181” / 30 (Inch/ mm )

Structure

Series

Shape

ø.236” ø 6 ~ ø1.378 - ø39.370” ø35 - ø1,000 ø2.756” ø70 ~

CKB

.157” / 4.0

(1)

· Face grooving for small lathes

.118” / 3.0

F49

.059” / 1.5

GNDF

.905” / 23.0

· High-rigidity design reduces vibration

(2) (2)

.118” / 3.0

.236” / 6.0

F34

GNDFS Made-to-order item

Traverse Cutting Possible

.787” / 20.0

· L-shape (horizontal) type · For wide grooves

.236” / 6.0 .315” / 8.0

F36

Internal Grooving Tools

Min. bore diameter (Inch/ mm ) * mark: For groove depths and width combinations, refer to the above gures or the relevant page. Features Groove Depth* Groove Width* .079” / 2 .157” / 4 .236” / 6 .315” / 8 .394” / 10 .787” / 20 1.181” / 30 (Inch/ mm )

Structure

Insert Shape ( ) indicates no. of cutting edges

Series

Shape

CKB

· Very small diameter grooving · High clamping force · Wide variety of tool holders

.039” / 1.0

ø.394” ø10 ø.157” ø4

(1)

.079” / 2.0

F50

.039” / 1.0

SGIT

.126” / 3.2

· 3-cornered type

.079” / 2.0

(3)

F53

.0197” / .5

SSH

· Internal coolant supply for outstanding chip evacuation · Wide range of grooving widths · Tough carbide body for stable grooving

ø.315” ø8

.157” / 4.0

(1)

.118” / 3.0

.029” / .74

Traverse Cutting Possible

F51

GWCI

ø1.378” ø35

.098” / 2.5

· Using same inserts as GWC series holders · Inserts with chipbreakers now in stock

(3)

.189” / 4.8

.013” / .33

(Standard, with Chipbreaker)

F44

GNDIS

ø.551” ø14

(2)

.260” / 6.6

· Supports grooving with minimum bore diameter from ø14

Traverse Cutting Possible (2) (2) Enables Traverse Cutting Traverse Cutting Possible

.118” / 3.0

.059” / 1.5

F38

GNDI

ø1.260” ø32

.433” / 11.0

· High-rigidity design reduces vibration

.079” / 2.0

.236” / 6.0

F37

Necking Tools

* mark: For groove depths and width combinations, refer to the above gures or the relevant page.

Groove Depth* Groove Width*

Insert Shape ( ) indicates no. of cutting edges

Structure

Machining diameter (Inch/ mm ) ø.787” ø20 ~

.394” / 10 .787” / 20 1.181” / 30

Series

Shape

Features

(Inch/ mm )

.079” / 2 .157” / 4 .236” / 6 .315” / 8

GNDN

.157” / 4.0

(2)

· Necking at corners possible

.079” / 2.0

.236” / 6.0

F32

Grooving Tools GND

■ Features and Benefits ● Wide application range: applicable for grooving, traverse cutting, profiling, necking, facing and internal boring ● Expanded Grade Lineup: featuring grades: AC8025P / AC8035P / AC5015S / AC5025S ● Stable tool life and a large chipbreaker offering prevents sudden breakages due to chip clogging. ● Achieving high efficiency machining with reduced chattering The mono-block structure and die steel body reduce vibration during machining around 30% compared to conventional tools ● Higher edge width precision even with unground inserts. High- precision sintering technology achieves cutting edge width precision of ±0.03mm for seat sizes 1.25mm to 6.0mm (front cutting edge angle of 0° or 5°) ● Internal Coolant Supply Holders for Small Lathes Available ● Expanded lineup: 20×12mm Square Holders for Small Lathes

■ GNDXL Deep Grooving (page 33)

● GNDXL now available with a deep groove holder that can support groove depths up to 1.260” / 32 mm ● The integrated high-rigidity body and insert provide strong clamp-on specifications for excellent vibration resistance. ● Lineup of .750” / 1.000” / 20mm / 25mm square shank widths ● Applied 1-corner insert for deep grooving. Seat Size 3.0 to 6.0mm is in stock ( 2.0mm is made-to-order) ● Lineup of three chipbreakers: ML / GF / RN

GNDXL

1,600 1,200 GNDXL GNDXL

GNDXL

Comp

Competitor F

1,600 1,200

Competitor F

1,600 1,200 1,600 1,200

1,600 1,200

800 400 0 -400

800 400 0 800 400 0 -400 -400

800 400 0

800 400 0 -400

800 400 0

800 400 0 -400

(N)

Seconds

-400

Seconds

-400

Part Material: 316 Stainless Steel Toolholder: GNDXLR2525M-332 Insert: GCMN3002-GF1-AC530U Cutting Conditions: vc= 330 SFM f= .004 IPR ap= .3937” Wet (External lubrication) 0 1 2 3 4 5 6 0 1 2 3 4 5 6 0 1 2 3 4 5 6

0 1 2 3 4 5 6

Seconds

Seconds Part Material: 316 Stainless Steel Toolholder: GNDXLR2525M-332 Insert: GCMN3002-GF1-AC530U Cutting Conditions: vc= 330 SFM f= .004 IPR ap= .3937” Wet (External lubrication) Part Material: 316 Stainless Steel Toolholder: GNDXLR2525M-332 Insert: GCMN3002-GF1-AC530U Cutting Conditions: vc= 330 SFM f= .004 IPR ap= .3937” Wet (External lubrication) Part Material: 316 Stainless Steel Toolholder: GNDXLR2525M-332 Insert: GCMN3002-GF1-AC530U Cutting Conditions: vc= 330 SFM f= .004 IPR ap= .3937” Wet (External lubrication)

Sec

Part Material: 316 Stainless Steel Toolholder: GNDXLR2525M-332 Insert: GCMN30 Cutting Conditions: vc= 330 SFM f= .004 IPR ap= .3937” Wet (External lubrication)

■ GND 90° Insert (Made to Order Item)

● Ideal for grooving narrow parts and facing, O/D, and I/D applications that require unique approaches due to interference ● Unique design of the inserts prevent pullout for specific applications ● End shape of the insert is offered in different forms based on application needs: square, full radius, with a chamfer, etc. ● Available in 5mm (.197”) or less seat sizes (groove widths)

Firmly clamped with grip effect

F39

90° Insert Quotation Sheet

Grooving Tools GND

■ Grooving Toolholders GND - Cutting Performance

Both high rigidity and good chip evacuation performance

Reduced chattering High-rigidity design reduces chattering by up to 30% as compared to conventional tools.

Internal Boring

Stable Vibration

Wide pocket improves chip evacuation performance

Die Steel Body

GND

Unstable Vibration

Packing of chips

GND

Oil Hole (2)

Improves chip evacuation

Competitor's Product B

GNDI

Large Vibration

Oil Hole (1)

· Die steel body · Mono-block structure

Coolant directed onto rake face of cutting edge

Mono-block Structure

GNDI GNDIS

Competitor's Product C

Competitor's Product A (Cassette Type)

Part Material: Structural Steel Holder: GNDLR2525M-220 Insert: GCMN2002-GG Cutting Conditions: v c = 330 SFM, f = .0039 IPR, a p = .79”, Wet

Part Material: Structural Steel Holder: GNDIR2532-T306 Insert: GCMN3002-GG Cutting Conditions: v c = 330 SFM, f = .0019 IPR, a p = .118”, Wet

Long, stable tool life ensures reliable functionality even on automatic production lines!

Substantially improved machining efficiency High-rigidity holder enables machining at high feed rates.

Reduction of chattering prevents unexpected breakage.

GND

f = .012 IPR

Machining Efciency 300% or higher

Competitor's Product

f = .0031 IPR

Normal Wear

Breakage

Machining Efciency

Competitor's Product

GND

Part Material: Medium Carbon Steel Holder: GNDML2525M-618 Insert: GCMN6030-RG (AC530U) Cutting Conditions: v c=430 SFM, f =0.012 IPR, Wet

Part Material: Cr–Mo Alloy Steel Holder: GNDLR2525M-320 Insert: GCMN3002-GG (AC530U) Cutting Conditions: v c=430 SFM, f =0.012 IPR, Wet

■ Improved Chip Control

Grooving

Traverse cutting

GND (GG Chipbreaker)

GND (ML Chipbreaker)

Conventional Tool

Part Material: Structural Steel Holder: GNDLR2525M-320, Insert: GCMN3002-GG Cutting Conditions: v c = 330 SFM, f = 0.0059 IPR, a p = 0.472", Wet

Part Material: Structural Steel Holder: GNDMR2525M-312, Insert: GCMN3002-ML Cutting Conditions: v c = 330 SFM, f = 0.0039 IPR, a p = 0.0197", Wet

Cut-off

Profiling

GND (RG Chipbreaker)

GND (CG Chipbreaker)

Conventional Tool

Competitor's Product

Part Material: Stainless Steel ( ø30mm ) Holder: GNDLR2525M-220, Insert: GCMR2002-CG-05 Cutting Conditions: v c = 330 SFM, f = 0.0059 IPR, Wet

Part Material: Structural Steel Holder: GNDMR2525M-312, Insert: GCMN3015-RG Cutting Conditions: v c = 330 SFM, f = 0.0019 IPR, a p = 0.0039", Wet

Grooving Tools GND

Ŷ Internal Coolant Holder GNDM-J / GNDL-J

Ɣ Series expansion of Grooving Series GND with internal coolant holders Ɣ Available seat sizes / grooving widths from .079” (2.0mm) to .236” (6.0mm) Ɣ Effective coolant supply to the cutting edge during grooving, achieving both high-efciency high-speed machining and longer insert tool life Ɣ Improved chip control through direct coolant supply around the cutting edge

Ɣ Wear Resistance

.002 .004 .006 .008 .010

Conventional Tool

GNDM-J 1000 PSI

Coolant hole at the top improves chip control

Ɣ Ɣ Ɣ

Ɣ Ɣ Ɣ Ɣ

Tool Life: 7 Times Longer!

Ŷ Ɣ

Coolant hole at the bottom effectively suppresses wear

Number of Machined Grooves

Ɣ Chip control

Coolant Pressure: 1000 PSI

Coolant Pressure: 145 PSI

External Coolant Supply

Part Material: Titanium Alloy Holder: GNDM R2525K-312J Insert: GCMN3002-GG (AC530U) Cutting Conditions: v c = 200 SFM, f = 0.0039 IPR, a p = .197” Wet

Ŷ CF Chipbreakers for Cut-Off Machining

Ɣ Chipbreakers with front cutting edge angles 10°/15° for cut-off machining now available Ɣ Asymmetric breaker design demonstrates outstanding chip control even on inserts with front cutting edge angles, where chip control is typically difcult

Right hand insert shown

10°/15°

GCMR20003-CF-10

GCMR20003-CF-15

Competitor's Product

Part Material: Structural Steel Holder: GNDM R2525M-220 Insert: GCMR20003-CF-10,15 (AC1030U) Cutting Conditions: n = 2000 RPM, f = 0.0031” Wet

Grooving Tools GND

Grooving / Cut-off

Grooving / Traverse Cutting

General-Purpose

Low Feed

General-Purpose

Low Feed

Low Cutting Force

1st recommendation for grooving

For low cutting force and chip control at low-feeds

Standard chipbreaker for traverse cutting

For low-feed chip control

Cutting Edge Cross Section Cutting Edge Cross Section Cutting Edge Cross Section Cutting Edge Cross Section Cutting Edge Cross Section

0.05

0.10

2.0 5.0 8.0

15°

20°

30°

3.0 6.0

Seat Size

1.25 1.5 2.0 3.0 4.0 5.0 6.0 7.0 8.0

Stock

AC8025P AC8035P AC830P AC425K AC5015S AC5025S AC520U AC530U T2500A AC1030U H10

Proling

Cut-off

Proling Necking

For Non-Ferrous Metals

Low Cutting Force

General-Purpose

1st recommendation for cut-off machining For low-feed chip control

For external proling and radius grooving

For facing, internal proling, radius grooving and necking

Ideal for aluminum alloy machining

Cutting Edge Cross Section Cutting Edge Cross Section Cutting Edge Cross Section Cutting Edge Cross Section Cutting Edge Cross Section

Lead Angle: 5°

Lead Angle: 10° / 15°

0.05

25°

20°

Seat Size

1.25 1.5 2.0 3.0 4.0 5.0 6.0 7.0 8.0

Stock

AC8025P AC8035P AC830P AC425K AC5015S AC5025S AC520U AC530U T2500A AC1030U H10

Lead Angle: 10° / 15° AC8025P AC8035P AC830P AC425K AC5015S AC5025S AC520U AC530U T2500A AC1030U H10

AC8025P AC8035P AC830P AC425K AC5015S AC5025S AC520U AC530U T2500A AC1030U H10

Lead Angle: 5°

Items in grey are not available

Grooving Tools GND - Chipbreaker Selection & Grade Selection Guide

■ Chipbreaker Selection

Grooving/Traverse Cutting Grooving/Traverse Cutting

Grooving Grooving

Cut-off Cut-off

GG GG

GG General-purpose GG General-purpose

MG General-Purpose General-Purpose

General-Purpose General-Purpose