The Benchmark Abrasives 5/16" x 2-9/16" power magnetic nut setter is built for secure, efficient driving of 5/16" hex-head screws, nuts, and other compatible external-hex fasteners. Its lobular internal profile engages the sides of the fastener rather than concentrating force at the corners, helping improve grip and reduce corner deformation during powered fastening. A magnetic core helps hold the fastener securely in position for easier alignment and starting.
Constructed from industrial-grade, heat-treated S2 tool steel hardened to approximately HRC 60, this nut setter is designed for strength and shock resistance in demanding fastening applications. Precision CNC grinding helps maintain accurate dimensions and consistent fastener engagement, while the 1/4" ball-groove quick-change shank allows fast installation in compatible impact drivers, drills, and powered screwdrivers. The 2-9/16" overall length provides added reach while remaining compact enough for everyday fastening work.
Product Specifications
Specification
Details
Product Type
Power Magnetic Nut Setter
Nut Setter Size
5/16"
Overall Length
2-9/16"
Input Shank
1/4" Hex
Shank Style
Ball-Groove Quick-Change
Fastener Opening
5/16" Female Hex
Quantity
1 Piece
Features
Lobular internal profile engages the sides of compatible hex fasteners for a secure grip
Helps reduce concentrated loading on fastener corners compared with a conventional straight-wall profile
Magnetic core helps hold nuts, screws, and other compatible fasteners in position during driving
Heat-treated S2 tool steel construction for strength and shock resistance
Approximately HRC 60 hardness
CNC-ground for accurate dimensions and consistent fastener engagement
1/4" ball-groove quick-change shank allows fast installation and removal
2-9/16" overall length provides added reach without the bulk of a long extension
Applications & Performance
Designed for driving compatible 5/16" external-hex fastener heads in applications such as:
Sheet-metal screws
Hex-head screws
Nuts and bolts
HVAC and sheet-metal work
Automotive and equipment maintenance
General construction and assembly
Electrical and mechanical installation
Household maintenance and repair
Repetitive powered fastening
Applications where moderate extra reach is useful
The 5/16" size refers to the width across the flats of the fastener head, not the fastener's thread diameter. Select the nut setter size to match the hex-head dimension of the fastener being driven.
Machine Compatibility
The 1/4" quick-change hex shank is designed for compatible impact drivers, drills, and powered screwdrivers.
Compatible examples include:
DEWALT® Models: DCF850, DCF845, DCF860
Milwaukee® Models: 2953-20, 3453-20, 2453-20
Makita® Models: XDT20Z, XDT11Z
Bosch® GDR18V-1860C
RYOBI® PBLID02
RIDGID® R862311B
For keyed or keyless drill chucks, securely clamp the 1/4” hex shank. Use a drill/driver in rotary or screwdriving mode, with hammer mode switched off.
Safety Tips
Always wear appropriate eye and hearing protection during powered fastening operations.
Fully seat and lock the 1/4" hex shank in the tool before use.
Make sure the fastener is fully seated in the nut setter before operating the tool.
Match the 5/16" nut setter to a 5/16" across-flats hex fastener head.
Do not use a worn or damaged fastener that cannot seat securely in the nut setter.
Do not exceed the operating limits of the tool, nut setter, fastener, or other components in the fastening system.
Inspect the nut setter for cracks, deformation, excessive wear, or damage before use.
Keep hands clear of rotating fasteners and accessories.
The Benchmark Abrasives 5/16" x 2-9/16" power magnetic nut setter is built for secure, efficient driving of 5/16" hex-head screws, nuts, and other compatible external-hex fasteners. Its lobular internal profile engages the sides of the fastener rather than concentrating force at the corners, helping improve grip and reduce corner deformation during powered fastening. A magnetic core helps hold the fastener securely in position for easier alignment and starting.
Constructed from industrial-grade, heat-treated S2 tool steel hardened to approximately HRC 60, this nut setter is designed for strength and shock resistance in demanding fastening applications. Precision CNC grinding helps maintain accurate dimensions and consistent fastener engagement, while the 1/4" ball-groove quick-change shank allows fast installation in compatible impact drivers, drills, and powered screwdrivers. The 2-9/16" overall length provides added reach while remaining compact enough for everyday fastening work.
Product Specifications
Specification
Details
Product Type
Power Magnetic Nut Setter
Nut Setter Size
5/16"
Overall Length
2-9/16"
Input Shank
1/4" Hex
Shank Style
Ball-Groove Quick-Change
Fastener Opening
5/16" Female Hex
Quantity
1 Piece
Features
Lobular internal profile engages the sides of compatible hex fasteners for a secure grip
Helps reduce concentrated loading on fastener corners compared with a conventional straight-wall profile
Magnetic core helps hold nuts, screws, and other compatible fasteners in position during driving
Heat-treated S2 tool steel construction for strength and shock resistance
Approximately HRC 60 hardness
CNC-ground for accurate dimensions and consistent fastener engagement
1/4" ball-groove quick-change shank allows fast installation and removal
2-9/16" overall length provides added reach without the bulk of a long extension
Applications & Performance
Designed for driving compatible 5/16" external-hex fastener heads in applications such as:
Sheet-metal screws
Hex-head screws
Nuts and bolts
HVAC and sheet-metal work
Automotive and equipment maintenance
General construction and assembly
Electrical and mechanical installation
Household maintenance and repair
Repetitive powered fastening
Applications where moderate extra reach is useful
The 5/16" size refers to the width across the flats of the fastener head, not the fastener's thread diameter. Select the nut setter size to match the hex-head dimension of the fastener being driven.
Machine Compatibility
The 1/4" quick-change hex shank is designed for compatible impact drivers, drills, and powered screwdrivers.
Compatible examples include:
DEWALT® Models: DCF850, DCF845, DCF860
Milwaukee® Models: 2953-20, 3453-20, 2453-20
Makita® Models: XDT20Z, XDT11Z
Bosch® GDR18V-1860C
RYOBI® PBLID02
RIDGID® R862311B
For keyed or keyless drill chucks, securely clamp the 1/4” hex shank. Use a drill/driver in rotary or screwdriving mode, with hammer mode switched off.
Safety Tips
Always wear appropriate eye and hearing protection during powered fastening operations.
Fully seat and lock the 1/4" hex shank in the tool before use.
Make sure the fastener is fully seated in the nut setter before operating the tool.
Match the 5/16" nut setter to a 5/16" across-flats hex fastener head.
Do not use a worn or damaged fastener that cannot seat securely in the nut setter.
Do not exceed the operating limits of the tool, nut setter, fastener, or other components in the fastening system.
Inspect the nut setter for cracks, deformation, excessive wear, or damage before use.
Keep hands clear of rotating fasteners and accessories.
Frequently Asked Questions
It is designed for compatible external-hex fastener heads measuring 5/16" across the flats. For nuts on threaded studs, check that the protruding thread allows the hex head to seat fully.
No. The 5/16" size refers to the width across the flats of the hex fastener head, not the thread diameter.
The lobular profile engages more of the sides of the hex fastener rather than concentrating driving force at the corners. This helps provide secure engagement and reduce corner deformation.
It helps keep magnetic steel fasteners seated during alignment and starting. Nonmagnetic fasteners will not be held by the magnet.
It is manufactured from heat-treated S2 tool steel with approximately HRC 60 hardness for strength and shock resistance.
It fits compatible 1/4" hex impact drivers. Compatible examples include: DEWALT® DCF850, DCF845 and DCF860; Milwaukee® 2953-20, 3453-20 and 2453-20; Makita® XDT20Z and XDT11Z; Bosch® GDR18V-1860C; RYOBI® PBLID02; and RIDGID® R862311B. These are examples, not a complete list. It also fits keyed or keyless drill chucks that securely grip a 1/4" shank.
It provides more reach than a compact 1-3/4" nut setter while staying shorter and easier to control than a 6" version.
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Standard FREE shipping is UPS Ground or USPS priority depending on size and weight. Most customers receive
their order within 3-5 days from date of purchase. Faster shipping options available for additional charge.
Free shipping not available on international orders. Free shipping will only be available to orders being
delivered within the lower 48 states.
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