7/16"-20 Grade 8 Hex Prevailing Torque Top Lock Nuts Zinc

Product Description

Part Number: 43FPTNCZ
Diameter/Pitch: 7/16"-20
Grade: Grade 8
Finish: Zinc Clear
Thread Series: Fine (UNF)
Wrench Size: 11/16"

BoltsandNuts.com

7/16"-20 Grade 8 Hex Prevailing Torque Top Lock Nuts Zinc

SKU: 43FPTNCZ

Product Description

Part Number: 43FPTNCZ
Diameter/Pitch: 7/16"-20
Grade: Grade 8
Finish: Zinc Clear
Thread Series: Fine (UNF)
Wrench Size: 11/16"

B&N Pro eligible item. Save 10% when you join Pro. Learn more.

Pack Size

1

$0.54/pc

Popular

75

$0.40/pc

150

$0.34/pc

375

$0.27/pc

Best Value

1000

$0.20/pc

$0.54

B&N Pro $0.00 Member Price

(Shipping $8.95) Add [amount] more for FREE SHIPPING

Free QR Storage Label Included with Most Items

Scan the QR and it will lead to that exact item for easy reordering!

30 Day Returns

Accepted on Most Items. Learn More

Thread Size	7/16"-20
Finish	Zinc Clear
Thread Series	Fine (UNF)
Proof Load (min)	17,810 lbf
Locking Type	All-metal prevailing torque (distorted thread)
Max Temperature	Rated to 450°F (all-metal)

Grade	Grade 8
Head Type	Hex
Head Marking	J995 Grade 8 marking
Specifications Met	IFI-100/107
Prevailing Torque	48 in-lb max (first installation)

Material	Medium carbon steel, heat treated
Wrench Size	11/16"
Thread Class	2B
Lock Type	Top Lock Nuts
Break Away Torque	9 in-lb min (fifth removal)

Technical Drawing

Not to scale · IFI-100/107 · See table for exact dimensions

Technical Dimensions

Width Across Flats	0.688" (11/16")
Thread Size	7/16"-20
Width Across Corners	0.794" max
Thread Class	2B
Proof Load	17,810 lbf
Prevailing Torque	48 in-lb max (first installation)
Break-Away Torque	9 in-lb min (fifth removal)
Locking Type	All-metal prevailing torque (distorted thread)
Max Temperature	Rated to 450°F (all-metal)
Material	Medium carbon steel, heat treated

All-metal prevailing torque nut with a distorted top thread that grips the bolt, resisting vibration loosening without a nylon insert. Suitable for elevated temperatures where nylon would fail.

Dimensions conform to IFI-100/107 and may vary within specified manufacturing tolerances.