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- Metalworking Tools
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- SEFAS System
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- SEFAS Rings
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- Chamfer Rings • For Use with Metric Kennametal Hydraulic Chucks • For Use with Inch or Metric Drills
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Chamfer Rings • For Use with Metric Kennametal Hydraulic Chucks • For Use with Inch or Metric Drills
SEFAS™ Bodies
Features and benefits
- Drill body shipped with all screws, clamps, and wrenches.
- Order the inserts and drills separately.
- Use only with hydraulic chucks.
Uses and application
Counter Sinking/ Stroke Chamfering
Drilling - Through Coolant
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 | TBmin | TBmax | TBmin | TBmax | TBmin | TBmax | TS100 | TS80 | TSmax |
.156 | not applicable (drill shank diameter | ||||||||
.748 | 1.339 | 1.229 | 1.890 | 2.165 | 2.756 | .098 | .157 | .197 | |
not applicable (drill shank diameter | |||||||||
.906 | 1.732 | 1.614 | 2.441 | 3.110 | 3.937 | .157 | .236 | .315 | |
not applicable (metric ring and hydraulic chuck are not interchangeable) | |||||||||
1.142 | 2.087 | 1.890 | 2.835 | 3.819 | 4.764 | .157 | .236 | .315 |
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 | TBmin | TBmax | TBmin | TBmax | TBmin | TBmax | TBmin | TBmax | TS100 | TS80 | TSmax |
4,0 | 4 | 17 | 12 | 29 | 20 | 36 | 45 | 62 | 1,2 | 1,8 | 2,5 |
4 | 20 | 20 | 35 | 27 | 43 | 63 | 80 | 1,5 | 2,2 | 3,0 | |
11 | 24 | 23 | 40 | 32 | 49 | 71 | 88 | 2 | 3,0 | 4,0 | |
11 | 28 | 23 | 40 | 42 | 59 | 85 | 102 | 2,5 | 4,0 | 5,0 | |
13 | 29 | 27 | 43 | 46 | 62 | 109 | 125 | 2,5 | 4,0 | 5,0 | |
15 | 35 | 31 | 51 | 54 | 74 | 131 | 151 | 3,5 | 5,0 | 7,0 | |
21 | 36 | 38 | 53 | 69 | 84 | 160 | 175 | 4,0 | 6,0 | 8,0 | |
22 | 40 | 40 | 58 | 78 | 96 | 184 | 202 | 4,0 | 6,0 | 8,0 | |
31 | 45 | 51 | 65 | 93 | 107 | 213 | 227 | 4,0 | 6,0 | 8,0 | |
34 | 50 | 56 | 72 | 103 | 119 | 237 | 253 | 4,0 | 6,0 | 8,0 |