Sunex 3670s9 3/8-Inch Drive T55 Internal Star Impact Socket
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The Sunex 3670s9 3/8-Inch Drive T55 Internal Star Impact Socket is a solid pick with broad community endorsement in the retro cpus category, priced around $9.92, rated 4.4★ across 90 verified Amazon reviews. A solid choice — worth comparing against one or two close alternatives first.
The SUNEX Tools 3/8 in. Drive T55 Internal Star Impact Socket, model 3670S9, is designed for professional and industrial applications requiring reliable torque transfer and durability. This socket features a 3/8-inch drive size and a T55 6-point internal star configuration, providing precise engagement with fasteners to reduce rounding and slippage. Constructed from high-strength chrome molybdenum alloy steel, it is engineered to withstand the demands of high-torque impact use. The socket is finished with an industrial black phosphate coating that offers excellent corrosion resistance…
SpecPicks Verdict
SpecPicks classifies Sunex 3670s9 3/8-Inch Drive T55 Internal Star Impact Socket as a solid pick with broad community endorsement in the retro cpus category, based on 90 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for retro cpus of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.4★ customer rating
- ✓ Impact Rated: Designed specifically for use with impact wrenches and pneumatic tools
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Premium Internal Star Socket: 3/8 in. drive T55 6-point internal star socket for professional and industrial applications
- 6-Point Design: Six-point geometry provides maximum contact with fastener flats, reducing rounding and delivering superior torque transfer
- CR-MO Alloy Steel: Constructed from high-strength chrome molybdenum alloy steel for maximum durability under high-torque impact use
- Impact Rated: Designed specifically for use with impact wrenches and pneumatic tools
- Lifetime Warranty: Backed by SUNEX Tools lifetime warranty with no exclusions
- Precision Fit: Machined to exacting tolerances for secure fastener engagement and reduced slippage
Full Specifications
| Brand | Sunex Tools |
|---|---|
| Material | Chrome Molybdenum Steel |
| Unit Count | 1.0 Count |
| Finish Type | Manganese Phosphate |
| Item Length | 2.3 Inches |
| Drive System | Star |
| Finish Types | Manganese Phosphate |
| Impact Rated | Designed specifically for use with impact wrenches and pneumatic tools |
| Model Number | 3670S9 |
| Material Type | Chrome Molybdenum Steel |
| Precision Fit | Machined to exacting tolerances for secure fastener engagement and reduced slippage |
| 6-Point Design | Six-point geometry provides maximum contact with fastener flats, reducing rounding and delivering superior torque transfer |
| Item Type Name | Sunex Tools - 3/8 DR INTRNL STAR T55 |
| Drive End Style | Star |
Ready to buy?
Sunex 3670s9 3/8-Inch Drive T55 Internal Star Impact Socket is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
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