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FULL-TORQUE® - Drilling & Tapping Alignment Fixtures
Drilling & Tapping
Alignment Fixtures Chart
Drill and Tap Alignment Kit for CADILLAC NORTHSTAR FT4DTK |

FT4DTK
|
The items in this table are included in the FT4DTK |
Description |
Part Number |
Right Angle Drill Plate |
FTDIP |
9/16"-12 Tap |
91612 TAP |
9/16"-12 Bolt OAL 2" |
B91612 |
9/16" Washer (Hardened SAE) |
W91612 |
0.516" Drill Bushing |
FTTID516 |
Alignment Pin |
FT516AP |
0.609" Drill Bushing |
FTTID609 |
39/64" Drill Bit |
39/64 BIT |
C4 Tap Guide |
FT4CM4TG |
When installing head bolt inserts into a recessed hole such as the Cadillac Northstar using a hand held drill, the above kit must be used to ensure proper alignment. Using these alignment will ensure that the inserts will be installed perpendicular to the surface.
Item |
Tap Size |
Use With |
Drill Size |
Description |
Part Number |
 |
Drill fixture plate for drilling perpendicular to the surface. This fixture works with both the FT4 and FT5 drill bushings listed below. |
FT4 & FT5 |
FTTID516 or FTTID656 |
N/A |
Right Angle Drill Plate |
FTDIP |
Drill bushing for attaching to the FTDIP plate for drilling tap drill holes for FT3 through FT6 size inserts. |
FT3 |
FT3DB |
27/64" |
0.422" Drill Bushing |
FTTID422 |

|
FT4 |
FT4DB |
0.516" |
0.516" Drill Bushing |
FTTID516 |
FT5 |
FT5DB |
0.656" |
0.656" Drill Bushing |
FTTID656 |
FT6 |
FT6DB |
51/64" |
0.797" Drill Bushing |
FTTID797 |
|
FT3 |
|
27/64" |
27/64" Alignment Pin |
FT422AP |

|
FT4 |
33/64" |
33/64" Alignment Pin |
FT516AP |
FT5 |
21/32" |
21/32" Alignment Pin |
FT656AP |
FT6 |
51/64" |
51/64" Alignment Pin |
FT797AP |
|
Cadillac NorthStar |
39/64" |
0.609" Drill Bushing |
FTTID609 |

|
|
FT3 |
|
N/A |
FT3 Tap Guide |
FT3TG |
FT4 |
N/A |
FT4 Tap Guide |
FT4TG |
FT5 |
N/A |
FT5 Tap Guide |
FT5TG |
FT6 |
N/A |
FT6 Tap Guide |
FT6TG |
C4 |
N/A |
C4 Tap Guide |
FT4CM4TG |
All dimensions are in Imperial – Inches unless otherwise stated
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