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KSEM PLUS™ A1 Heads • Drill Fix™ DFR Inserts

KSEM PLUS™ A1 Heads • Drill Fix™ DFR Inserts

KSEM PLUS™ A1 Heads • Drill Fix™ DFR Inserts

KSEM PLUS™ A1 Heads • Drill Fix™ DFR Inserts

Drill Fix side inserts • DFR-GD Geometry

KSEM PLUS™ A1 Heads • Drill Fix™ DFR Inserts

Features and benefits

Rectangular shaped Drill Fix™ DFR cutting inserts offer the highest feed rates for smaller sized KSEM PLUS™ systems on A1 heads.

KCU25™ grade has high metal removal rates. With its advanced TiCN-Al-CVD coating, it excels with superior tool life in stable working conditions.

KCU40™ is your first choice for high reliability when machining most materials for applications with medium cutting speeds. It features a multilayered TiAlN-PVD coating, providing high wear resistance in challenging conditions.

2 indexable cutting edges.

Workpiece Materials

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KSEM PLUS™ A1 Heads • Drill Fix™ DFR Inserts

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Metric

Inch

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Grades

KCU25

Turning Composition: An advanced PVD grade with hard AlTiN coating and fine-grain unalloyed substrate. The new and improved coating improves edge stability with wide range speed and feed capabilities.

Turning Application: The KCU25 grade is ideal for general machining of most steels, stainless steels, high-temp alloys, titanium, irons, and non-ferrous materials in a wide range of speeds and feeds with improved edge toughness for interrupted cut and high feed rates.

Holemaking Composition: Advanced CVD TiCN-Al2O3 coating combined with a tough carbide substrate.

Holemaking Application: First choice for steel, stainless steel, and cast iron. This grade offers adequate deformation resistance, excellent edge strength, and superior wear resistance over a wide range of machining conditions for high productivity with very good reliability.

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KCU40

Composition: Multilayered TiN-TiAlN-PVD coating and a tough substrate, that withstands interruptions and provides high wear resistance for long tool life.
Application: KCU40 is the first choice for high reliability in most materials. This grade should be used at medium speeds and high feeds due to sharper edges. KCU40 covers steel, stainless steel, cast iron, and high-temperature alloys for high toughness applications under certain conditions.

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Warnings • Drill Fix DFR

WARNING During through-hole operations, a slug or disc is produced as the tool breaks through the workpiece. When the drill is stationary and the workpiece is rotating, this slug may be hurled from the chuck by centrifugal force. Provide adequate shielding to protect bystanders.

Dimensions • DFR Whistle Notch (WD) Shank


D	LS
20	45
25	45
32	58

Dimensions • DFR Weldon Shank • DIN 1835-1 Form B


D	LS
20	50

Dimensions • DFR Flanged Shank


D	LS
20	50

Material Group		Condition	Pocket Seat	Geometry	Grade	Cutting Speed vc
						Range SFM			Recommended Feed Rate (fz) by Diameter
						min	Starting Value	max	Tool Diameter (in)	DFR04 .813"-1.00"
N	1	S	O	ST	KD1425	1300	2362	2760	ipr	.002–.003
	1	S	I	ST	KD1425	1300	2362	2760	ipr	.002–.003
	2	S	O	ST	KD1425	1209	2197	2567	ipr	.005–.007
	2	S	I	ST	KD1425	1209	2197	2567	ipr	.005–.007
	3	S	O	ST	KD1425	1118	2032	2374	ipr	.005–.007
	3	S	I	ST	KD1425	1118	2032	2374	ipr	.005–.007
	4	S	O	ST	KD1425	1560	2362	2760	ipr	.005–.007
	4	S	I	ST	KD1425	1560	2362	2760	ipr	.005–.007

Metric

Material Group

Condition

Pocket Seat

Geometry

Grade

Cutting Speed vc

Recommended Feed Rate (fz) by Diameter

Range m/min

min

Starting Value

max

Ø

DFR02... 12,50–16,00mm

DFR03... 16,50–20,00mm

DFR04... 20,50–24,00mm

P

1

S

O

MD

KCU25

310

325

360

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

MD

KC7140

U

O

MD

KCU40

200

215

230

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

MD

KC7140

I

O

MD

KC7140

130

135

150

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

MD

KC7140

2

S

O

GD

KCPK10

310

325

360

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

LD

KC7140

U

O

GD

KCU40

200

215

230

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

LD

KC7140

I

O

MD

KC7140

130

135

150

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

LD

KC7140

3

S

O

GD

KCPK10

260

285

320

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

LD

KC7140

U

O

GD

KCU40

180

195

220

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

LD

KC7140

I

O

GD

KC7140

110

120

140

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

LD

KC7140

4

S

O

GD

KCU25

220

250

300

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

LD

KC7140

U

O

GD

KCU40

150

180

220

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

LD

KC7140

I

O

GD

KC7140

90

110

140

mm/r

0,09–0,15

0,11–0,18

0,15–0,25

I

LD

KC7140

5

S

O

GD

KCU25

180

200

220

mm/r

0,07–0,13

0,09–0,15

0,11–0,18

I

LD

KC7140

U

O

GD

KCU40

120

135

150

mm/r

0,07–0,13

0,09–0,15

0,11–0,18

I

LD

KC7140

I

O

GD

KC7140

70

85

100

mm/r

0,07–0,13

0,09–0,15

0,11–0,18

I

LD

KC7140

6

S

O

GD

KCU25

180

200

220

mm/r

0,07–0,13

0,09–0,15

0,11–0,18

I

LD

KC7140

U

O

GD

KCU40

120

135

150

mm/r

0,07–0,13

0,09–0,15

0,11–0,18

I

LD

KC7140

I

O

GD

KC7140

70

85

100

mm/r

0,07–0,13

0,09–0,15

0,11–0,18

I

LD

KC7140

M

1

S

O

MD

KC7140

150

190

230

mm/r

0,07–0,13

0,08–0,16

0,10–0,18

I

MD

KC7140

U

O

MD

KC7140

100

130

160

mm/r

0,07–0,13

0,08–0,16

0,10–0,18

I

MD

KC7140

I

O

MD

KC7140

60

80

100

mm/r

0,07–0,13

0,08–0,16

0,10–0,18

I

MD

KC7140

2

S

O

MD

KC7140

150

180

210

mm/r

0,07–0,13

0,08–0,16

0,10–0,18

I

MD

KC7140

U

O

MD

KC7140

100

130

160

mm/r

0,07–0,13

0,08–0,16

0,10–0,18

I

MD

KC7140

I

O

MD

KC7140

60

80

100

mm/r

0,07–0,13

0,08–0,16

0,10–0,18

I

MD

KC7140

3

S

O

MD

KC7140

100

130

160

mm/r

0,07–0,13

0,08–0,16

0,10–0,18

I

MD

KC7140

U

O

MD

KC7140

80

110

140

mm/r

0,07–0,13

0,08–0,16

0,10–0,18

I

MD

KC7140

I

O

MD

KC7140

50

70

90

mm/r

0,07–0,13

0,08–0,16

0,10–0,18

I

MD

KC7140

DFR™ • PCD • Metric

Metric
Material Group		Condition	Pocket Seat	Geometry	Grade	Cutting Speed vc			Recommended Feed Rate (fz) by Diameter
						Range m/min
						min	Starting Value	max	Ø	DFR04 20,50–24,00mm
N	1	S	O	ST	KD1425	396	720	841	mm/r	0,06–0,08
			I	ST	KD1425
	2	S	O	ST	KD1425	369	670	782	mm/r	0,12–0,18
			I	ST	KD1425
	3	S	O	ST	KD1425	341	619	723	mm/r	0,12–0,18
			I	ST	KD1425
	4	S	O	ST	KD1425	475	720	841	mm/r	0,12–0,18
			I	ST	KD1425
	5	S	O	ST	KD1425	480	720	864	mm/r	0,06–0,08
			I	ST	KD1425

Inch
Material Group		Condition	Pocket Seat	Geometry	Grade	Cutting Speed vc			Recommended Feed Rate (fz) by Diameter
						Range SFM
						min	Starting Value	max	Ø	DFR04 .813–1.00"
N	1	S	O	ST	KD1425	1300	2362	2760	IPR	.002–.003
			I	ST	KD1425
	2	S	O	ST	KD1425	1209	2197	2567	IPR	.005–.007
			I	ST	KD1425
	3	S	O	ST	KD1425	1118	2032	2374	IPR	.005–.007
			I	ST	KD1425
	4	S	O	ST	KD1425	1560	2362	2760	IPR	.005–.007
			I	ST	KD1425
	5	S	O	ST	KD1425	1575	2362	2834	IPR	.002–.003
			I	ST	KD1425