Are these zinc coated? I wanna use them in a grill but im not sure if they will give off any bad fumes when exposed to high heat.

They are Stainless Steel, not zinc coated

Are the nuts and washers stainless steel too?

Yes of course. All are stainless steel.

does it come in 1/4"?

I use them as wheel axils on a travel cart; so far since I bought them over a month ago; still working, not broken.

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🔩 Lock it down with pro-grade strength and style!

COMPLETE FASTENING KIT - Includes hex nuts, flat washers, and lock washers for a professional-grade assembly
ASME STANDARD COMPLIANCE - Meets industry standards for reliable, consistent performance every time
PRECISION FULL THREADING - Ensures maximum grip and secure fastening in every application
HEAVY DUTY HEX HEAD DESIGN - Robust hexagonal head for easy installation with standard spanners and enhanced torque
PREMIUM 18 8 STAINLESS STEEL - Durable, corrosion-resistant material built to last in demanding environments

This set of ten 5/16-18x4" hex head bolts by Fullerkreg features fully threaded shafts made from durable 18-8 (304) stainless steel, offering excellent corrosion resistance and strength. Each kit includes matching hex nuts, flat washers, and lock washers, ensuring a secure, professional fastening solution that meets ASME specifications for heavy-duty applications.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Bs.639

Duties & taxes incl.

Boliviastore

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TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Head style	Hex
Shape	Hexagonal
Item diameter	0.31 Inches
Number of pieces	5
Grade rating	Class 10.9
Manufacturer	Fullerdongluo
UPC	799862376933
Part number	1
Item Weight	231 g
Item model number	1
Head Style	Hex
Cutting Diameter	0.31 Inches
Measurement System	Inch
Batteries included?	No
Batteries Required?	No

(10 Sets) 5/16-18x4" Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg

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