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YPC Beyond™ Drills • Iron Materials • Through Coolant

K255_YPC (~5 x D) • KCK10 • A-Shank • YPC Beyond Drills

Name: K255_YPC (~5 x D) • KCK10 • A-Shank • YPC Beyond Drills
SKU: 4052283
Rating: 0 (0 reviews)

YPC Beyond™ Drills • Iron Materials • Through Coolant

Metric

Inch

SAP Material Number	4052283
ISO Catalog Number	K255A01406YPC
ANSI Catalog Number	K255A01406YPC
Grade	KCK10
[D1] Drill Diameter M	3.5712 mm
[D1] Drill Diameter M	.1406 in
[L] Overall Length	66 mm
[L] Overall Length	2.598 in
[L3] Flute Length	27 mm
[L3] Flute Length	1.063 in
[L4] Maximum Drilling Depth	21.4 mm
[L4] Maximum Drilling Depth	.8425 in
[L5] Drill Point Length	1 mm
[L5] Drill Point Length	.0394 in
[LS] Shank Length	36.5 mm
[LS] Shank Length	1.437 in
[D] Adapter / Shank / Bore Diameter	4.7625 mm
[D] Adapter / Shank / Bore Diameter	.1875 in

See all Product Variants

Uses and application

Drilling
Drilling: Inclined Exit
Tool Dimensions: 2flute/3margin/coolant
Drilling - Through Coolant
Through Coolant: MQL (Minimum Quantity Lubricant): Drilling
Corner Style: Corner Chamfer
Shank - Cylindrical Plain ≤h6
Helix Angle: 30°
Drilling: Cross-Hole Drilling

Workpiece Materials

K Cast Iron

Features and benefits

YPC Beyond drills with through coolant for iron materials.

Material-specific SC drill specifically engineered to deliver best-in-class hole quality and longest tool life in cast iron, ductile iron, CGI, and ADI.

Y-TECH™ technology with uneven flute-to-flute angle creates unbalanced forces by design avoid chipping on margin lands.

Three-margin lands reduce pendulum motion by directing forces towards third margin for superior hole accuracy (cylindricity, constant diameter, hole straightness).

Corner chamfer avoids breakout when drilling through holes in gray iron.

KCK10™ Beyond grade contains multiple layers of PVD coating offering outstanding wear resistance for the drilling of cast irons.

Machine Side

Workpiece Side

Tolerance • Metric
nominal size range	D1 tolerance m7	D tolerance h6
3–6	0,004/0,016	0,000/-0,008
6–10	0,006/0,021	0,000/-0,009
10–18	0,007/0,025	0,000/-0,011
18–25,4	0,008/0,029	0,000/-0,013

Tolerance • Inch
nominal size range	D1 tolerance m7	D tolerance h6
.1181 to .2362	.0002/.0006	.0000/-.0003
.2362 to .3937	.0002/.0008	.0000/-.0004
.3937 to .7087	.0003/.0010	.0000/-.0004
.7087 to 1.0000	.0003/.0011	.0000/-.0005

Dimensions for Kennametal Solid Carbide Drills (K* Series)

in				SHORT**			REGULAR**			LONG**
Ø				~3 x D			~5 x D			~8 x D
D1 min	D1 max	D	LS min	L	L3	L4	L	L3	L4	L	L3	L4
.1250	.1563	.1875	1.44	2.48	.91	.69	2.60	1.06	.84	3.07	1.54	1.28
.1563	.1875	.1875	1.44	2.68	1.14	.89	2.91	1.38	1.12	3.31	1.77	1.52
.1876	.2500	.2500	1.44	2.87	1.34	1.02	3.23	1.69	1.37	3.74	2.20	1.89
.2500	.3125	.3125	1.52	3.11	1.50	1.11	3.58	1.97	1.58	4.33	2.72	2.33
.3126	.3750	.3750	1.59	3.50	1.81	1.37	4.06	2.36	1.91	4.92	3.23	2.78
.3750	.4375	.4375	1.67	3.78	2.01	1.50	4.37	2.60	2.08	5.24	3.46	2.96
.4376	.5000	.5000	1.79	4.02	2.13	1.56	4.65	2.76	2.18	5.63	3.74	3.17
.5000	.5625	.5625	1.79	4.21	2.32	1.69	4.88	2.99	2.35	6.10	4.21	3.58
.5626	.6250	.6250	1.91	4.53	2.52	1.83	5.24	3.23	2.53	6.73	4.72	4.04
.6250	.6875	.6875	1.91	4.84	2.83	2.09	5.63	3.62	2.86	7.28	5.28	4.53
.6876	.7500	.7500	1.99	5.08	2.99	2.19	5.83	3.74	2.92	7.76	5.67	4.86
.7500	.8125	.8125	1.99	5.31	3.23	2.36	6.02	3.94	3.06	8.15	6.06	5.20
.8126	.8750	.8750	2.07	5.55	3.39	2.46	6.57	4.41	3.47	8.54	6.38	5.46
.8750	.9375	.9375	2.15	5.79	3.50	2.52	6.93	4.69	3.69	8.94	6.69	5.71
.9376	.9375	1.0000	2.22	6.02	3.70	2.66	7.24	4.92	3.87	9.37	7.05	6.01
** to factory standard

Dimensions for Kennametal Solid Carbide Drills (B* Series)

			short			long			extra long
Ø	DIN 6535		~3 x D			~5 x D			~8 x D
D1	D	LS min	L	L3	L4	L	L3	L4	L	L3	L4
-1.40	4	28	58	7	5	58	9	6	58	12	10
-1.90	4	28	58	9	6	58	12	9	58	18	15
-2.30	4	28	58	13	9	58	18	14	66	26	22
-2.99	4	28	58	17	12	58	22	17	66	30	25
-3.75	6	36	62	20	14	66	28	23	78	40	33
-4.75	6	36	66	24	17	74	36	29	87	49	41
-6.00	6	36	66	28	20	82	44	35	94	56	48
-7.00	8	36	79	34	24	91	53	43	105	67	57
-8.00	8	36	79	41	29	91	53	43	110	72	61
-10.00	10	40	89	47	35	103	61	49	122	80	68
-12.00	12	45	102	55	40	118	71	56	141	94	79
-14.00	14	45	107	60	43	124	77	60	155	108	91
-16.00	16	48	115	65	45	133	83	63	171	121	101
-18.00	18	48	123	73	51	143	93	71	185	135	113
-20.00	20	50	131	79	55	153	101	77	200	148	124
-22.00	20	50	141	86	60	167	112	85	217	162	136
-25.00	25	56	153	95	65	184	126	98	238	180	150

YPC Drills • B/K25_YPC • Grade KCK10™ • Through Coolant • Drill Diameters 3–20mm • Metric

Material Group

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Cutting Speed vc

Inch

Range SFM

Recommended Feed Rate (f) by Diameter

min

Starting Value

max

1/8 .125

3/16 .188

1/4 .250

5/16 .313

3/8 .375

1/2 .500

5/8 .625

3/4 .750

430

520

690

IPR

.005–.009

.006–.010

.006–.013

.009–.017

.012–.018

.013–.020

.015–.024

.017–.029

300

430

590

IPR

.005–.009

.006–.010

.006–.013

.009–.017

.012–.018

.013–.020

.015–.024

.017–.029

230

300

430

IPR

.004–.007

.005–.009

.009–.013

.009–.018

.010–.019

.011–.020

.012–.024

.013–.029

Material Group

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Cutting Speed vc

Metric

Range m/min

Recommended Feed Rate (f) by Diameter

min

Starting Value

max

3,0

4,0

6,0

8,0

10,0

12,0

16,0

20,0

130

160

210

mm/r

0,12–0,22

0,14–0,25

0,16–0,32

0,22–0,44

0,30–0,46

0,34–0,50

0,38–0,62

0,42–0,74

130

180

mm/r

0,12–0,22

0,14–0,25

0,16–0,32

0,22–0,44

0,30–0,46

0,34–0,50

0,38–0,62

0,42–0,74

130

mm/r

0,11–0,17

0,12–0,22

0,22–0,34

0,24–0,46

0,26–0,48

0,28–0,50

0,30–0,62

0,34–0,74

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K255_YPC (~5 x D) • KCK10 • A-Shank • YPC Beyond Drills