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Chamfer Rings • For Use with Metric Kennametal Hydraulic Chucks • For Use with Inch or Metric Drills

Name: Chamfer Rings • For Use with Metric Kennametal Hydraulic Chucks • For Use with Inch or Metric Drills
SKU: 1245739
Rating: 0 (0 reviews)

SEFAS™ Bodies

Metric

Inch

SAP Material Number	1245739
ISO Catalog Number	3.37526R006
ANSI Catalog Number	3.37526R006
[D1] Drill Diameter M	4 mm
[D1] Drill Diameter M	.157 in
[D1MAX] Drill Diameter Maximum	6 mm
[D1MAX] Drill Diameter Maximum	.236 in
[D] Adapter / Shank / Bore Diameter	25.7 mm
[D] Adapter / Shank / Bore Diameter	1.011 in
[D4] Mount Bore Diameter	6 mm
[D4] Mount Bore Diameter	.236 in
[D5] Maximum Body Diameter	38 mm
[D5] Maximum Body Diameter	1.496 in
[L] Overall Length	49.5 mm
[L] Overall Length	1.949 in
[L2] Head Length	21 mm
[L2] Head Length	.8268 in
[V] Adjustment Range	5 mm
[V] Adjustment Range	.197 in
Gage Insert	3.42805.

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Uses and application

Counter Sinking/ Stroke Chamfering
Drilling - Through Coolant

Workpiece Materials

P Steel

M Stainless Steel

K Cast Iron

N Non-Ferrous

S High-Temp Alloys

H Hardened Materials

Features and benefits

Drill body shipped with all screws, clamps, and wrenches.

Order the inserts and drills separately.

Use only with hydraulic chucks.

Machine Side

	K210, K254, K284		K211, K222, K255, K285, K411		K212, K256		unalloyed and low-alloy steel, unalloyed and alloy steel, and cast iron, high-alloy steel and stainless steel
drill diameter D1	TB_min	TB_max	TB_min	TB_max	TB_min	TB_max	TS₁₀₀	TS₈₀	TS_max
.156 .250	not applicable (drill shank diameter chamfer ring inside diameter), not applicable (metric ring and hydraulic chuck are not interchangeable)
.250 .313
.313 .375	.748	1.339	1.229	1.890	2.165	2.756	.098	.157	.197
.375 .500	not applicable (drill shank diameter chamfer ring inside diameter), not applicable (metric ring and hydraulic chuck are not interchangeable)
.500 .563
.563 .625	.906	1.732	1.614	2.441	3.110	3.937	.157	.236	.315
.625 .709	not applicable (metric ring and hydraulic chuck are not interchangeable)
.709 .750	1.142	2.087	1.890	2.835	3.819	4.764	.157	.236	.315

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	B210, B221, B224, B254, B284, B291, B707, B966, B976		B211, B222, B225, B285, B292, B411, B708, B977		B212, B256, B709, B978		B269		unalloyed and low-alloy steel; unalloyed and alloy steel, and cast iron, high-alloy steel and stainless steel
drill diameter D1	TB_min	TB_max	TB_min	TB_max	TB_min	TB_max	TB_min	TB_max	TS₁₀₀	TS₈₀	TS_max
4,0 4,7	4	17	12	29	20	36	45	62	1,2	1,8	2,5
4,7 6,0	4	20	20	35	27	43	63	80	1,5	2,2	3,0
6,0 7,0	11	24	23	40	32	49	71	88	2	3,0	4,0
7,0 8,0	11	28	23	40	42	59	85	102	2,5	4,0	5,0
8,0 10,0	13	29	27	43	46	62	109	125	2,5	4,0	5,0
10,0 12,0	15	35	31	51	54	74	131	151	3,5	5,0	7,0
12,0 14,0	21	36	38	53	69	84	160	175	4,0	6,0	8,0
14,0 16,0	22	40	40	58	78	96	184	202	4,0	6,0	8,0
16,0 18,0	31	45	51	65	93	107	213	227	4,0	6,0	8,0
18,0 20,0	34	50	56	72	103	119	237	253	4,0	6,0	8,0

Spare Parts for Chamfer Rings • For Use with Metric Kennametal Hydraulic Chucks • For Use with Inch or Metric Drills

LOCK PIN 2X4 MM

LOCK PIN 2X6 MM

SET SCREW M4

CLAMPING ELEMENT SEFAS M3

TORX-WRENCH TX9 170.024

SET SCREW 190.195

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SAP Material Number	ISO Catalog Number	Grade

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