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Boring Holders Threading Holders Threading Technical Data Grooving Inserts Grooving Holders Grooving Technical Data Boring Inserts Threading Inserts Tooling recommendation for a given Internal thread specification Whitworth Pitch tpi Thread 1/4 5/16 - 1/2 9/16 - 5/8 11/16 26 3/4 - 13/16 7/8 - 15/16 1 - 1 3/16 1 1/4 - 1 7/16 1 1/2 - 1 3/4 1 7/8 - 2 22 5/16 3/8 - 9/16 5/8 - 11/16 3/4 - 13/16 7/8 - 1 20 1 1/16 - 1 3/16 1 1/4 - 1 7/16 1 1/2 - 1 3/4 1 7/8 - 3 11/16 3/4 - 11/16 7/8 - 1 1 1/16 - 1 1/8 16 1 3/16 1 1/4 - 1 7/16 1 1/2 - 1 3/4 1 7/8 - 4 5/8 4 3/4 - 7 7/16 14 5/8 - 11/16 13/16 15/16 - 1 1 1/16 - 1 3/16 12 1 1/4 - 1 1/2 1.6 - 1 3/4 1 7/8 - 6 6 1/4 - 7 11 7/8 10 1 Insert Size Micro 4.0 Micro 6.0 IC 1/4" IC 1/4" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" Micro 6.0 Micro 6.0 IC 1/4" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 1/4" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 5.0 L IC 1/4” IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" Insert 4.0SIR26W 6.0SIR26W 2IR26W 2IR26W 3IR26W 3IR26W 3IR26W 3IR26W 3IR26W 3IR26W 6.0SIR22W 6.0SIR20W 2IR20W 3IR20W 3IR20W 3IR20W 3IR20W 3IR20W 3IR20W 2IR16W 3IR16W 3IR16W 3IR16W 3IR16W 3IR16W 3IR16W 3IR16W 3IR16W 5LIR14W 2IR14W 3IR12W 3IR12W 3IR12W 3IR12W 3IR12W 3IR12W 3IR12W 3IR11W 3IR10W Ordering Code Holder SMC..-4.0 SMC..-6.0 NVR10-2 NVR13-2 NVR13-3 NVR16-3 AVR20-3 AVR25-3 AVR32-3 AVR40-3 SMC..-6.0 SMC..-6.0 NVR10-2 NVR13-3 NVR16-3 AVR20-3 AVR25-3 AVR32-3 AVR40-3 NVR10-2 NVR13-3 NVR16-3 AVR20-3 AVR20-3 AVR25-3 AVR32-3 AVR40-3 AVR40-3 .NVR10.-5L NVR10-2 NVR13-3 NVR16-3 AVR20-3 AVR25-3 AVR32-3 AVR40-3 AVR40-3 NVR13-3 NVR16-3 Anvil - - - - - - YI3 - 1N YI3 - 1N YI3 - 1N YI3 - 1N - - - - - YI3 - 1N YI3 - 1N YI3 - 1N YI3 - 1N - - - YI3 YI3 - 1N YI3 - 1N YI3 - 1N YI3 - 1N YI3 - 1.5N - - - - YI3 YI3 YI3 - 1N YI3 - 1N YI3 - 1.5N - - 12 Boring Technical Data
Boring Holders Threading Holders Threading Technical Data Grooving Inserts Grooving Holders Grooving Technical Data Boring Inserts Threading Inserts Tooling recommendation for a given Internal thread specification Whitworth (Con’t) Pitch tpi Thread 7/8 9 1 1/8 - 1 1/4 1 1 3/16 1 5/16 - 1 1/2 8 1.6 - 1 7/8 1.9 - 2 1/4 2.4 - 7 1 1/4 7 1 3/4 - 2 1 5/16 - 1 7/16 1 1/2 - 1 5/8 6 1 7/8 - 1.9 2.1 - 3.1 3 1/4 - 7 1 3/4 5 3 - 3 1/4 2 4.5 3 1/2 - 4 2 1/4 2 1/2 4 4 1/4 - 4 3/4 4 7/8 - 7 2 3/4 3.5 3 3 1/4 3.25 3 1/2 3 3 3/4 - 4 2.75 5 2.5 6 Insert Size IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 3/8" IC 1/2" IC 1/2" IC 1/2" IC 1/2" IC 1/2" IC 1/2" IC 1/2" IC 1/2" IC 1/2" IC 5/8" IC 5/8" IC 5/8" IC 5/8" IC 5/8" IC 5/8" IC 5/8" U IC 5/8" U IC 5/8" U IC 5/8" U IC 5/8" U IC 5/8" U IC 5/8" V Insert 3IR9W 3IR9W 3IR8W 3IR8W 3IR8W 3IR8W 3IR8W 3IR8W 4IR7W 4IR7W 4IR6W 4IR6W 4IR6W 4IR6W 4IR6W 4IR5W 4IR5W 5IR4.5W 5IR4.5W 5IR4W 5IR4W 5IR4W 5IR4W 5UEI3.5W 5UEI3.5W 5UEI3.25W 5UEI3.25W 5UEI3W 5UEI2.75W 5VIR2.5W Ordering Code Holder NVR13-3 AVR20-3 NVR16-3 AVR20-3 AVR25-3 AVR32-3 AVR40-3 AVR40-3 NVR20-4 AVR32-4 NVR20-4 AVR25-4 AVR32-4 AVR40-4 AVR40-4 AVR25-4 AVR40-4 AVR32-5 AVR60-5 AVR40-5 AVR40-5 AVR60-5 AVR60-5 AVR40-5U AVR50-5U AVR50-5U AVR60-5U AVR60-5U AVR60-5U NVR60-5V Anvil - YI3 - YI3 - 1P YI3 YI3 YI3 YI3 - 1N - YI4 - YI4 - 1P YI4 YI4 YI4 - 1N YI4 - 1P YI4 YI5 - 1P YI5 YI5 - 1P YI5 YI5 YI5 - 1N YI5U - 1P YI5U YI5U YI5U YI5U YI5U - 13 Boring Technical Data
Page 1 and 2: TURNING THREAD TURNING Thread Turni
Page 3 and 4: Threading Holders Boring Holders Bo
Page 5 and 6: Threading Inserts Tooling recommend
Page 7: Boring Holders Threading Holders Th
Page 11 and 12: Threading Inserts Tooling recommend
Page 13 and 14: Vardex Ordering Code System Threadi
Page 15 and 16: Y r Y X r X Y L X 60° IC L IC L r
Page 17 and 18: Y Partial Profile 55º Threading In
Page 19 and 20: Partial Profile 55º (con’t) Thre
Page 21 and 22: Y ISO Metric (con’t) Threading In
Page 23 and 24: Y 1/4P Internal 60° L X X L Y Thre
Page 25 and 26: Y Y X X Y 1/4P Internal 60° L L L
Page 27 and 28: ISO Metric (con’t) Internal Threa
Page 29 and 30: Y American UN Threading Inserts Ext
Page 31 and 32: X L h 1/4P Internal 60° Y IC Threa
Page 33 and 34: Y Y Threading Inserts American UN (
Page 35 and 36: Y X Y 1/4P Internal 60° L L X Thre
Page 37 and 38: American UN (con’t) Internal Thre
Page 39 and 40: Y Whitworth for BSW, BSP Threading
Page 41 and 42: Y Whitworth for BSW, BSP (con’t)
Page 43 and 44: Y Y Threading Inserts Whitworth for
Page 45 and 46: Threading Inserts Whitworth for BSW
Page 47 and 48: Y Y R0.137P 27.5 °27.5 ° h X L X
Page 49 and 50: Y Y NPT Threading Inserts External
Page 51 and 52: Y Y Y Threading Inserts NPT (con’
Page 53 and 54: Y Y Y NPTF Threading Inserts Extern
Page 55 and 56: NPTF (con’t) Threading Inserts In
Page 57 and 58: X Y Round (DIN 405) Threading Inser
Page 59 and 60:
Y X X X Y T Trapez Threading Insert
Page 61 and 62:
Y X Threading Inserts Trapez (con
Page 63 and 64:
Y X X Threading Inserts American AC
Page 65 and 66:
Y X X X Y T Stub ACME Threading Ins
Page 67 and 68:
Stub ACME (con’t) Internal Thread
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Y Y UNJ (con’t) Threading Inserts
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Y Y Threading Inserts UNJ (con’t)
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Y Y MJ Threading Inserts X X L X 1/
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Y X 0.16316P 45° Internal 7° h Y
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Y X Metric Buttress (Sägengewinde)
Page 79 and 80:
API Buttress Casing External 10° 9
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API Round Casing & Tubing (con’t)
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Y X EL-Extreme Line Threading Inser
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Y Pg Threading Inserts External X R
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TURNING TOOLHOLDERS Contents VARDEX
Page 89 and 90:
External Toolholders Threading Inse
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Page 95 and 96:
Page 97 and 98:
Internal Toolholders Threading Inse
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Page 101 and 102:
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Page 105 and 106:
Page 107 and 108:
Page 109 and 110:
THRAED TURNING TECHNICAL DATA Threa
Page 111 and 112:
Machining a Multi-Start Thread Thre
Page 113 and 114:
Calculating the Helix Angle and Cho
Page 115 and 116:
Grades and their Applications Threa
Page 117 and 118:
Recommended Grades and Cutting Spee
Page 119 and 120:
Number of Passes and Depth of Cut p
Page 121 and 122:
Y Step by Step Thread Turning - Exa
Page 123 and 124:
X Step by Step Thread Turning - Exa
Page 125:
Threading Inserts Troubleshooting P
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