1998 Toyota T100 Regular Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1998 Toyota T100 Regular Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | M12x1.5 |
| Center Bore (CB) | 106.1 mm |
| Offset (ET) | 10-25mm |
| Torque Specs | 80 ft-lbs (108 Nm) |
1998 T100 Regular Cab — Year-Specific Fitment Context
The 1998 model year is the final year of the Toyota T100 Regular Cab's 6x139.7 bolt pattern run (since 1993). Wheels from any 1993–1998 Toyota T100 Regular Cab are cross-compatible with the 1998 model.
Toyota T100 Regular Cab Bolt Pattern by Year
The table below shows how the T100 Regular Cab's wheel specifications have changed over the years. The 1998 model year is highlighted.
Fitment Notes
The 1998 Toyota T100 Regular Cab has a bolt pattern of 6x139.7.
Imperial Conversion: This bolt pattern is commonly referred to as 6x5.5" in imperial units. When searching for aftermarket wheels, you may see them listed as 6x5.5".
This means it is a 6 lug pattern with a circle diameter of 139.7mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, Toyota T100 Regular Cab appears from 1993 to 1998 (6 model years).
Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 35.0 mm
6x139.7 Pattern Context
This bolt pattern appears on 1067 vehicles in our current database and is considered common.
Examples of other vehicles using 6x139.7:
1998 Toyota T100 Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 1998 Toyota T100 Regular Cab?
The 1998 Toyota T100 Regular Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 106.1mm and the offset is 10-25mmmm.
What other years of Toyota T100 Regular Cab have the same bolt pattern as the 1998?
The Toyota T100 Regular Cab uses the 6x139.7 pattern from 1993 through 1998. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
What is the PCD for a 1998 Toyota T100 Regular Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1998 T100 Regular Cab, the PCD is 6x139.7.
How tight should I torque the lug nuts on a 1998 Toyota T100 Regular Cab?
Refer to your owner's manual for exact specs, but always tighten the M12x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What is the center bore of a 1998 Toyota T100 Regular Cab?
The factory center bore (hub bore) for the 1998 Toyota T100 Regular Cab is 106.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What is the factory wheel offset for a 1998 Toyota T100 Regular Cab?
The OEM offset for the 1998 T100 Regular Cab is typically around 10-25mmmm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
Fitment Checklist Before You Buy Wheels
- Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
Editorial Fitment Notes
Toyota T100 Regular Cab is generally consistent in bolt-pattern records across model years, but offset and hardware should still be validated before purchase.
- Observed production years in our database: 1993-1998 (6 model years).
- Observed bolt-pattern variants: 1 (6x139.7).
- Observed total offset span across years: 35.0 mm.
- Observed center-bore variants: 1 | lug-size variants: 1.
Data Quality & Review
Source note: Compiled from manufacturer fitment references, historical wheel data, and internal normalization rules.
Last reviewed: 2026-05-26 | Reviewed by: Bolt Pattern HQ Editorial Team
If you find a discrepancy for 1998 Toyota T100 Regular Cab, please report it via our About page contact so we can verify and update this record.