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Home / Products / Metal Cutting Tools / Twist Drill / Type B HSS-G Aircraft Extension Drill Bits

Type B HSS-G Aircraft Extension Drill Bits

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HSS-G Aircraft Extension Drill Bits,

Fully ground by standard NAS 907, 135 degrees split point

Length: 6”, 12”

Industrial grade HSS with right combination of hardness, wear resistance

Drilling cast iron, alloy steel, mild steel, aluminum, etc.

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Type B HSS-G Aircraft Extension Drill Bits

HSS-G Aircraft Extension Drill Bits Length 6”

HSS-G Aircraft Extension Drill Bits Length 12”

DiameterDecimal InchMillimeterOverall LengthFlute LengthItem Nr.:
inchEquivalanceEquivalanceinchinch
1/16"0.06251.5886"7/8"62860116
5/64"0.07811.9846"1"62860564
3/32"0.09382.3836"1-1/4"62860332
7/64"0.10942.7796"1-1/2"62860764
1/8"0.1253.1756"1-5/8"62860108
9/64"0.14063.5716"1-3/4"62860964
5/32"0.15623.9676"2"62860532
11/64"0.17194.3666"2-1/8"62861164
3/16"0.18754.7626"2-5/16"62860316
13/64"0.20315.1596"2-7/16"62861364
7/32"0.21885.5586"2-1/2"62860732
15/64"0.23445.9546"2-5/8"62861564
1/4"0.256.356"2-3/4"62860104
17/64"0.26566.7466"2-7/8"62861764
9/32"0.28127.1426"2-15/16"62860932
19/64"0.29697.5416"3-1/16"62861934
5/16"0.31257.9386"3-3/16"62860516
21/64"0.32818.3346"3-5/16"62862164
11/32"0.34388.7336"3-7/16"62861132
23/64"0.35949.1296"3-1/2"62862364
3/8"0.3759.5256"3-5/8"62860308
25/64"0.39069.9216"3-3/4"62862564
13/32"0.406210.3176"3-7/8"62861332
27/64"0.421910.7166"3-15/16"62862764
7/16"0.437511.1126"4-1/16"62860716
29/64"0.453111.5096"4-3/16"62862964
15/32"0.468811.9086"4-5/16"62861532
31/64"0.484412.3046"4-3/8"62863164
1/2"0.512.76"4-1/2"62860102


DiameterDecimal InchMillimeterOverall LengthFlute LengthItem Nr.:
inchEquivalanceEquivalanceinchinch
1/16"0.06251.5886"7/8"62860116
5/64"0.07811.9846"1"62860564
3/32"0.09382.3836"1-1/4"62860332
7/64"0.10942.7796"1-1/2"62860764
1/8"0.1253.1756"1-5/8"62860108
9/64"0.14063.5716"1-3/4"62860964
5/32"0.15623.9676"2"62860532
11/64"0.17194.3666"2-1/8"62861164
3/16"0.18754.7626"2-5/16"62860316
13/64"0.20315.1596"2-7/16"62861364
7/32"0.21885.5586"2-1/2"62860732
15/64"0.23445.9546"2-5/8"62861564
1/4"0.256.356"2-3/4"62860104
17/64"0.26566.7466"2-7/8"62861764
9/32"0.28127.1426"2-15/16"62860932
19/64"0.29697.5416"3-1/16"62861934
5/16"0.31257.9386"3-3/16"62860516
21/64"0.32818.3346"3-5/16"62862164
11/32"0.34388.7336"3-7/16"62861132
23/64"0.35949.1296"3-1/2"62862364
3/8"0.3759.5256"3-5/8"62860308
25/64"0.39069.9216"3-3/4"62862564
13/32"0.406210.3176"3-7/8"62861332
27/64"0.421910.7166"3-15/16"62862764
7/16"0.437511.1126"4-1/16"62860716
29/64"0.453111.5096"4-3/16"62862964
15/32"0.468811.9086"4-5/16"62861532
31/64"0.484412.3046"4-3/8"62863164
1/2"0.512.76"4-1/2"62860102


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