GEARWRENCH Impact Socket Set 84916N 3/8 Inch Drive 6-Point (44-Piece Standard Deep SAE Metric Cr-Mo Steel Universal Joint Extension Case Kit)
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GEARWRENCH 84916N 44-Piece 3/8" Drive 6-Point SAE & Metric Impact Socket Set
The GEARWRENCH 84916N 44-piece 3/8-inch drive 6-point impact socket set fastens standard SAE and metric hex hardware across automotive suspension assemblies, commercial fleet machinery, and heavy industrial plant equipment. Forged from high-strength chrome molybdenum (Cr-Mo) alloy steel treated with a corrosion-resistant black oxide coating, these standard and deep sockets feature an off-corner loading broach that applies rotational force to fastener flats to prevent corner rounding. Outfitted with high-visibility dual laser-etched and roll-stamped size markings, two impact extension bars (3-inch and 6-inch), a 3/8-inch universal flex joint, and a rugged blow-molded case, it equips professional automotive technicians, diesel fleet specialists, and millwrights with ASME B107.2-compliant high-torque fastening performance.
Best Used For:
- Automotive Chassis and Brake Service: Removing stubborn suspension bolts, caliper brackets, and steering linkage fasteners with pneumatic or cordless impact wrenches.
- Diesel Engine and Drivetrain Maintenance: Slicing down through recessed engine bay hardware and deep transmission bellhousing studs using deep-well sockets and extension bars.
- Industrial Machinery Assembly and Rigging: Torquing heavy structural machine mounts and anchor bolts across plant floors without stripping fastener heads.
Key Performance & Safety Features
- Forged Chrome Molybdenum (Cr-Mo) Alloy Steel: Industrial impact-grade metallurgy absorbs continuous torque shockwaves from high-output pneumatic and cordless impact wrenches.
- Off-Corner Loading Broach Architecture: Directs rotational force across the flat surfaces of hex hardware, preventing fastener damage and stripped corners.
- Parallel Neck-Down Geometry: Slender neck-down profile on smaller metric sizes (8mm, 9mm, 10mm, 11mm) provides enhanced clearance into tight, recessed fastener wells.
- Permanent Dual Size Markings: Combines high-contrast laser markings for instant identification with secondary stamped hard impressions that survive abrasive shop wear.
- Corrosion-Resistant Black Oxide Surface: Industrial chemical conversion finish seals alloy steel against rust, shop solvents, and hydraulic fluids.
- Complete Impact Drive Extension Package: Includes a 3-inch extension, 6-inch extension, and 3/8-inch universal impact knuckle for off-axis angle access.
What's Included
- (8) 3/8" Drive 6-Point Standard SAE Sockets: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
- (12) 3/8" Drive 6-Point Standard Metric Sockets: 8mm (0.31"), 9mm (0.35"), 10mm (0.39"), 11mm (0.43"), 12mm (0.47"), 13mm (0.51"), 14mm (0.55"), 15mm (0.59"), 16mm (0.63"), 17mm (0.67"), 18mm (0.71"), 19mm (0.75")
- (8) 3/8" Drive 6-Point Deep SAE Sockets: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
- (13) 3/8" Drive 6-Point Deep Metric Sockets: 8mm (0.31"), 9mm (0.35"), 10mm (0.39"), 11mm (0.43"), 12mm (0.47"), 13mm (0.51"), 14mm (0.55"), 15mm (0.59"), 16mm (0.63"), 17mm (0.67"), 18mm (0.71"), 19mm (0.75"), 21mm (0.83")
- (1) 3/8" Drive Impact Universal Joint (80548N)
- (1) 3/8" Drive 3" Impact Extension Bar (84406)
- (1) 3/8" Drive 6" Impact Extension Bar (84407)
- (1) Heavy-Duty Blow-Molded Storage Organizer Case
Technical Specifications
| Manufacturer | Apex Tool Group (GEARWRENCH) |
| Model Number | 84916N |
| Product Classification | 44-Piece 3/8" Drive Impact Socket Set |
| Square Drive Tang Size | 0.375 inches (3/8 in Drive) |
| Fastener Socket Geometry | 6-Point Off-Corner Loading Broach |
| Length Format Configurations | Standard Length & Deep Well |
| Measurement Systems Included | Imperial (SAE) & Metric |
| SAE Size Range Coverage | 5/16 in to 3/4 in (Standard & Deep) |
| Metric Size Range Coverage | 0.31 in to 0.83 in (8mm to 19mm Standard / 8mm to 21mm Deep) |
| Base Metallurgy | Forged Chrome Molybdenum Alloy Steel (Cr-Mo) |
| Surface Corrosion Coating | Industrial Black Oxide Finish |
| Size Marking Identification | High-Visibility Laser Etched & Secondary Roll Stamped |
| Industry Compliance Standard | Meets or Exceeds ASME B107.2 / B107.33M |
| Total Kit Package Weight | 10.65 lbs (4.83 kg) |
| Included Storage Case | Heavy-Duty Blow-Molded Polyethylene Carry Case |
| Compatible Tool Platforms | All Standard 3/8" Cordless & Pneumatic Impact Wrenches |
Pro-Tip: When using the impact universal joint on stubborn suspension hardware, keep your operating angle under 30 degrees; this maintains maximum torque transfer from your 3/8-inch impact anvil directly into the fastener while protecting the swivel pin from premature fatigue.
