STRAIGHT FLUTE MACHINE TAPS (INCH)
HTIC
unit (mm)
| CODE NO. | THREADS | Thread Length |
Overall Length |
Shank Dia |
Length of Square |
Square |
| L2 | L | Φd | L3 | L4 | ||
| HTIC 14020 | 1/4-20 UNC | 18 | 62 | 6.0 | 7 | 4.5 |
| HTIF 14028 | 1/4-28 UNF | 18 | 62 | 6.0 | 7 | 4.5 |
| HTIC 51618 | 5/16-18 UNC | 22 | 70 | 6.1 | 8 | 5.0 |
| HTIF 61624 | 5/16-24 UNF | 22 | 70 | 6.1 | 8 | 5.0 |
| HTIC 38016 | 3/8-16 UNC | 24 | 75 | 7.0 | 8 | 5.5 |
| HTIF 38024 | 3/8-24 UNF | 24 | 75 | 7.0 | 8 | 5.5 |
| HTIC 71614 | 7/16-14 UNC | 26 | 80 | 8.0 | 9 | 6.0 |
| HTIF 71620 | 7/16-20 UNF | 26 | 80 | 8.0 | 9 | 6.0 |
| HTIC 12013 | 1/2-13 UNC | 28 | 88 | 9.0 | 10 | 7.0 |
| HTIF 12020 | 1/2-20 UNF | 28 | 88 | 9.0 | 10 | 7.0 |
| HTIC 91612 | 9/16-12 UNC | 28 | 88 | 10.5 | 11 | 8.0 |
| HTIF 91618 | 9/16-18 UNF | 28 | 88 | 10.5 | 11 | 8.0 |
| HTIC 58011 | 5/8-11 UNC | 28 | 95 | 12.0 | 12 | 9.0 |
| HTIF 58018 | 5/8-18 UNF | 28 | 95 | 12.0 | 12 | 9.0 |
| HTIC 34010 | 3/4-10 UNC | 32 | 105 | 14.0 | 14 | 11.0 |
| HTIF 34016 | 3/4-16 UNF | 32 | 105 | 14.0 | 14 | 11.0 |
CUTTING DATA – TAP
| Material | Cast iron FC |
Strong cast iron FCD |
East · Bronze CU · PB |
Aluminum AL |
||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HAND | SPIRAL | PT.PF | HAND | SPIRAL | PT.PF | HAND | SPIRAL | PT.PF | HAND | SPIRAL | PT.PF | |||||||||
| SPEED (m/min) | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | 10 ~ 20 | ||||||||
