What is the load strength on these? 1500lbs?

Not sure but would depend mostly on the strength of the metal you put it into.

Do you need a special tool for this or can you just screw a bolt in and go?

Can't screw the bolt in and go. You're supposed to have a special tool but my husband devised his own.

How will I know when to stop tightening these into my base material? I'm installing with a ratchet wrench, is there a torque I can set my wrench to?

There's no actual torque setting, but typically when setting the insert, and being that the insert is pre-bulbed, once the insert is tight you will feel a noticeable increase in turning pressure - signifying the insert is tight.

Does this come with the small setting tool

No. I didn’t receive a tool. I used a bigger size nut and washer to set on top and screwed bolt into shank to set them.

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HANSON RIVET S31MG280 Steel PRE-BULBED Shank, Multi-Grip Rivet-NUT Gold ZINC Finish, 5/16-18 X .020-.280 Grip Range (Pack of 25)

HANSON RIVET S31MG280 Steel PRE-BULBED Shank, Multi-Grip Rivet-NUT Gold ZINC Finish, 5/16-18 X .020-.280 Grip Range (Pack of 25)

Product ID: 388645204

Details

Colour
YELLOW ZINC
Exterior finish
Zinc Metal
Fastener type
Knurled
Material
Alloy Steel
Thread size
5/16-18

✨Gold Zinc Anti-Corrosion Finish

🔩5/16-18 Thread Size

🛠️Wide Grip Range .020-.280"

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Description

🔧 Upgrade your fastening game with Hanson Rivet Nuts—where strength meets precision!

PRECISION THREAD FIT - Engineered 5/16-18 threading ensures secure, vibration-resistant fastening every time.
VERSATILE GRIP RANGE - Accommodates materials from .020 to .280 inches thick—perfect for diverse projects.
EFFORTLESS INSTALLATION - Compatible with manual or power tools for fast, reliable fastening on the go.
PRE BULBED SHANK STRENGTH - Pre-bulbed shank delivers superior holding power compared to standard rivet nuts—ideal for critical repairs.
ANTI ROTATION KNURLED BODY - Knurled design locks rivet-nut in place, eliminating frustrating spin during installation.

The HANSON RIVET S31MG280 is a pack of 25 steel pre-bulbed shank rivet-nuts featuring a 5/16-18 thread size and a wide grip range of .020 to .280 inches. Finished in gold zinc for corrosion resistance, these multi-grip rivet-nuts include a knurled body to prevent rotation and are designed for easy installation with manual or power tools, delivering superior holding power for demanding applications.

Specifications

ASIN	B010GQXPIQ
ASIN	B010GQXPIQ
Best Sellers Rank	#211,362 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #66 in Rivet Nuts
Brand	HANSON RIVET
Color	YELLOW ZINC
Compatible Groove Diameter	0.31 Inches
Customer Reviews	4.7 4.7 out of 5 stars (294)
Customer reviews	4.7 4.7 out of 5 stars (294)
Drive Style	Spline
Exterior Finish	Zinc,Metal,Steel
Fastener Type	Knurled
Finish Types	zinc
Grade Rating	industrial
Inside Thread Size	#8
Is Discontinued By Manufacturer	No
Item Diameter	0.31 Inches
Item model number	R-S31-280MG
Manufacturer	HANSON RIVET
Manufacturer	HANSON RIVET
Material Type	Alloy Steel
Maximum Shear Strength	10000-25000 psi
Metal Type	Alloy Steel
Model	R-S31-280MG
Number Of Items	25
Number of Pieces	25
Package Dimensions	12.7 x 8.1 x 3.4 cm; 290 g
Part Number	R-S31-280MG
Screw Head Style	Knurled
Set Name	Pack of 25
Size Name	5/16-18
Thread Class	Class 2A
Thread Coverage	Fully Threaded
Thread Size	5/16-18
Thread Style	Internal
Thread Type	Unified National Coarse (UNC)
Unit Count	25 Count

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35603CFA

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In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

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