1997 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 1997 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) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
1997 T100 Regular Cab — Year-Specific Fitment Context
The 1997 Toyota T100 Regular Cab is in year 5 of 6 using the 6x139.7 pattern (1993–1998). Wheels from any 1993–1998 Toyota T100 Regular Cab are cross-compatible with the 1997 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 1997 model year is highlighted.
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:
Expert Buying Guide for 1997 Toyota T100 Regular Cab
For your 1997 Toyota T100 Regular Cab, the 6x139.7 bolt pattern and 106.1mm center bore are critical. Aftermarket wheels often have a larger bore (e.g., 108mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. The offset range is 10-25mm; staying within this avoids rubbing on suspension or fenders. Always use M12x1.5 lug nuts with the correct seat—factory wheels use conical (60-degree) seats; aftermarket wheels may require ball or conical seats. Never mix seat types. Re-torque lug nuts after 50-100 miles to maintain clamping force.
Historical Fitment Data Reference
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
Quick Tips & Safety Warnings
- ✅ Use hub-centric rings if aftermarket wheels have a bore larger than 106.1mm to prevent vibration.
- ✅ Verify offset is between 10-25mm; lower offset pushes wheels outward, risking fender rub.
- ✅ Re-torque lug nuts to 83 lb-ft after 50-100 miles; check thread pitch (M12x1.5) and seat type (conical for factory 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).
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1997 Toyota T100 Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 1997 Toyota T100 Regular Cab?
The 1997 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 1997?
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 1997, provided the offset and center bore also match.
Can I put aftermarket wheels on my 1997 Toyota T100 Regular Cab?
Absolutely. Just ensure the aftermarket wheels have a 6x139.7 bolt pattern, an offset near 10-25mmmm, and a center bore of at least 106.1mm (using hub rings if larger).
Do 1997 Toyota T100 Regular Cabs use lug bolts or lug nuts?
The 1997 T100 Regular Cab requires M12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
How do I measure the bolt pattern on my 1997 Toyota?
The 1997 T100 Regular Cab uses a 6x139.7 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
Why is matching the 106.1mm center bore important for the 1997 T100 Regular Cab?
The 106.1mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
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