1993 Ford Bronco Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1993 Ford Bronco, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x139.7 (5x5.5") |
|---|---|
| Lug Nut / Bolt Size | 1/2 20 |
| Center Bore (CB) | 108.0 mm |
| Offset (ET) | 0 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 5x139.7 is commonly referred to as 5x5.5" in US Standard.
1993 Bronco — Year-Specific Fitment Context
The 1993 Ford Bronco is in year 2 of 5 using the 5x139.7 pattern (1992–1996). Wheels from any 1992–1996 Ford Bronco are cross-compatible with the 1993 model. Across its full production run (1992–2024), the Bronco has also used: 6x139.7.
Ford Bronco Bolt Pattern by Year
The table below shows how the Bronco's wheel specifications have changed over the years. The 1993 model year is highlighted.
5x139.7 Pattern Context
This bolt pattern appears on 261 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x139.7:
Expert Buying Guide for 1993 Ford Bronco
For your 1993 Ford Bronco, the 5x139.7 bolt pattern is shared with 1992–1996 models, ensuring cross-compatibility. The critical center bore is 108.0mm; aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. Offset is sensitive: the factory 0mm offset maintains correct geometry; deviations can cause rubbing or handling issues. Always use lug nuts with the correct thread pitch (1/2-20) and seat type (cone seat for factory steel wheels, ball seat for some aftermarket). Never mix seat types. Re-torque after 50-100 miles to maintain clamping force.
Historical Fitment Data Reference
In our dataset, Ford Bronco appears from 1992 to 2024 (9 model years). Across model years, this model appears with 2 bolt patterns (5x139.7, 6x139.7).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 55.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 100-110 ft-lbs after 50-100 miles of driving.
- ✅ If using aftermarket wheels, verify hub-centric ring inner diameter matches 108.0mm and outer diameter matches wheel bore.
- ✅ Check for brake caliper clearance when changing offset; 0mm offset is safe, but negative offsets may require spacers or caliper grinding.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
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1993 Ford Bronco — Frequently Asked Questions
What is the bolt pattern for a 1993 Ford Bronco?
The 1993 Ford Bronco uses a 5x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 108.0mm and the offset is 0mm.
What other years of Ford Bronco have the same bolt pattern as the 1993?
The Ford Bronco uses the 5x139.7 pattern from 1992 through 1996. Wheels from any of these model years are dimensionally compatible with the 1993, provided the offset and center bore also match.
What is the factory wheel offset for a 1993 Ford Bronco?
The OEM offset for the 1993 Bronco is typically around 0mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
How tight should I torque the lug nuts on a 1993 Ford Bronco?
Refer to your owner's manual for exact specs, but always tighten the 1/2 20 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What is the PCD for a 1993 Ford Bronco?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1993 Bronco, the PCD is 5x139.7.
What is the center bore of a 1993 Ford Bronco?
The factory center bore (hub bore) for the 1993 Ford Bronco is 108.0mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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