Chevrolet Blazer Bolt Pattern
Catalog records for Chevrolet Blazer use two bolt patterns: 5×120.7 for 1999–2005 and 6×120 for 2019–2023.
Figures come from the wheel catalog. Confirm them on the vehicle before buying hardware.
Bolt-pattern variants
Choose the bolt pattern that matches your vehicle to see hardware and tools.
Bolt pattern
Bolt pattern by year range
| Years | Bolt pattern | Center bore | Thread |
|---|---|---|---|
| 1999–2005 | 5×120.7 | 70.3 mm | M12 x 1.5 |
| 2019–2023 | 6×120 | 66.9 mm | M14 x 1.5 |
Frequently asked questions
What is the bolt pattern on a Chevrolet Blazer?
Catalog records for the Chevrolet Blazer use two bolt patterns: 5×120.7 for 1999–2005 and 6×120 for 2019–2023.
Does the Chevrolet Blazer have more than one bolt pattern?
Yes. Catalog records show two bolt patterns: 5×120.7 (1999–2005); 6×120 (2019–2023). Choose the pattern that matches the vehicle you have.
Why can the same Blazer have different bolt patterns?
Generation, year range, and configuration can change the hub. Catalog records for the Chevrolet Blazer list 5×120.7 for 1999–2005 and 6×120 for 2019–2023. Do not assume later years match earlier years.
What years use 5×120.7 on the Chevrolet Blazer?
Catalog records show 5×120.7 for 1999–2005 (7 years).
What years use 6×120 on the Chevrolet Blazer?
Catalog records show 6×120 for 2019–2023 (5 years).
How many lugs does the Chevrolet Blazer have?
Catalog records show 5 lugs on 5×120.7 (1999–2005); 6 lugs on 6×120 (2019–2023).
What does 5×120.7 mean?
5×120.7 means 5 lug positions on a 120.7 mm pitch circle. The first number is lug count; the second is the pitch circle diameter in millimetres.
What does 6×120 mean?
6×120 means 6 lug positions on a 120 mm pitch circle. The first number is lug count; the second is the pitch circle diameter in millimetres.
What is the Chevrolet Blazer center bore?
Catalog records show 70.3 mm for the 5×120.7 variant and 66.9 mm for the 6×120 variant.
What thread size does the Chevrolet Blazer use?
Catalog records show M12 x 1.5 for the 5×120.7 variant and M14 x 1.5 for the 6×120 variant.
Does the Chevrolet Blazer use lug nuts or lug bolts?
Catalog records for the Chevrolet Blazer list lug nuts. Thread: M12 x 1.5 for the 5×120.7 variant and M14 x 1.5 for the 6×120 variant.
What is the wheel lug torque on a Chevrolet Blazer?
Catalog records show 140 for the 5×120.7 variant and 190 for the 6×120 variant. Socket size is not inferred from thread.
Can I use wheels with a different bolt pattern on a Chevrolet Blazer?
Only with a bolt-on wheel adapter from the vehicle pattern (5×120.7 or the other recorded pattern) to the wheel pattern. Adapters are directional. Confirm thickness, center bore, thread, stud engagement, clearance, and load rating. Hub swaps and redrilling are not equivalent shortcuts.
What adapter do I need to change from 5×120.7 to another pattern?
You need a directed adapter whose source pattern is 5×120.7 and whose target pattern matches the wheels. 5×120.7 to another circle is not the same as the reverse unless the catalog lists both directions. Pick the target on this page; thickness is not chosen automatically.
What wheel spacers fit this bolt pattern?
Spacers must match the vehicle bolt pattern (5×120.7 or 6×120). Choose thickness for clearance and offset. Matching the pattern is not a claim that a given spacer fits the vehicle.
Do I need hub-centric rings on a Chevrolet Blazer?
Only when the wheel center bore is larger than the vehicle hub. Catalog records show 70.3 mm for the 5×120.7 variant and 66.9 mm for the 6×120 variant. Rings fill that gap. They do not fix every vibration issue and they do not change bolt pattern.
What hub ring size do I need for a Chevrolet Blazer?
The ring is wheel center bore (outer) to vehicle hub (inner). Enter the bore stamped on the wheel. Catalog matches are exact outer and inner millimetres, not nearby sizes.
Can a hub ring make a smaller wheel bore fit a larger hub?
No. A hub ring only fills a wheel bore that is larger than the hub. A smaller wheel bore cannot be opened with a ring.
What lug nuts should I buy for a Chevrolet Blazer?
Match the recorded thread. Catalog records show M12 x 1.5 for the 5×120.7 variant and M14 x 1.5 for the 6×120 variant. Fastener type: lug nuts. Seat style and length are not in this catalog — confirm those on the wheel before ordering.
Can I use the same lug nuts on aftermarket wheels?
Thread must match, but aftermarket wheels often need a different seat style or length. Matching thread is not enough by itself. Catalog records show M12 x 1.5 for the 5×120.7 variant and M14 x 1.5 for the 6×120 variant.
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