Name: Dzus Oval Head Studs Long Undercut
SKU: AJ3-25
Price: 2.8 USD
Availability: OutOfStock
Rating: 4.58 (26 reviews)

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Dzus Oval Head Studs Long Undercut

26 Reviews 4 Answered Questions

From $1.60 to $14.50

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Material Type	Model	A	B	L	Grommets &Snap Rings	Springs	Cat #	Price	Buy
Zinc Electroplated	121J-325-Z3C	.1875	.075	.250	GA3-175, 200, 250 GP3B, GH3 SR3SS, SX-520SS	S3-150, 175 200, 225	AJ3-25*	$2.80	Quantity
Zinc Electroplated	121J-330-Z3C	.1875	.100	.300	GA3-175, 200, 250 GP3B, GH3 SR3SS, SX-520SS	S3-150, 175 200, 225	AJ3-30	$2.65	Quantity
Zinc Electroplated	121J-335-Z3C	.1875	.150	.350	GA3-175, 200, 250 GP3B, GH3 SR3SS SX-520SS	S3-150, 175 200, 225	AJ3-35*	$2.45	Quantity
Zinc Electroplated	121J-340-Z3C	.1875	.200	.400	GA3-175, 200, 250 GP3B, GH3 SR3SS SX-520SS	S3-150, 175 200, 225	AJ3-40	$2.79	Quantity
Zinc Electroplated	121J-425-Z3C	.250	.100	.250	GA4-225, 250, 275, 300 GP4B, GH4 SR4SS SX-523SS	S4-200, 225	AJ4-25*	$2.25	Quantity
Zinc Electroplated	121J-430-Z3C	.250	.100	.300	GA4-225, 250, 275, 300 GP4B, GH4 SR4SS SX-523SS	S4-200, 225	AJ4-30	$1.95	Quantity
Zinc Electroplated	121J-435-Z3C	.250	.150	.350	GA4-225, 250, 275, 300 GP4B, GH4 SR4SS SX-523SS	S4-200, 225	AJ4-35*	$2.20	Quantity
Zinc Electroplated	121J-440-Z3C	.250	.200	.400	GA4-225, 250, 275, 300 GP4B, GH4 SR4SS SX-523SS	S4-200, 225	AJ4-40	$2.75	Quantity
Zinc Electroplated	121J-445-Z3C	.250	.225	.450	GA4-225, 250, 275, 300 GP4B, GH4 SR4SS SX-523SS	S4-200, 225	AJ4-45*	$5.95	Quantity
Zinc Electroplated	121J-450-Z3C	.250	.250	.500	GA4-225, 250, 275, 300 GP4B, GH4 SR4SS SX-523SS	S4-200, 225	AJ4-50	$2.55	Quantity
Zinc Electroplated	121J-530-Z3C	.3125	.125	.300	GA5-312, 350, 375 GP5B, GH5 SR5SS SX-510SS	S5A200, 225, 250, 275	AJ5-30	$2.90	Quantity
Zinc Electroplated	121J-535-Z3C	.3125	.125	.350	GA5-312, 350, 375 GP5B, GH5 SR5SS SX-510SS	S5A200, 225, 250, 275	AJ5-35*	$2.80	Quantity
Zinc Electroplated	121J-540-Z3C	.3125	.190	.400	GA5-312, 350, 375 GP5B, GH5 SR5SS SX-510SS	S5A200, 225, 250, 275	AJ5-40	$2.25	Quantity
Zinc Electroplated	121J-545-Z3C	.3125	.190	.450	GA5-312, 350, 375 GP5B, GH5 SR5SS SX-510SS	S5A200, 225, 250, 275	AJ5-45*	$2.80	Quantity
Zinc Electroplated	121J-550-Z3C	.3125	.250	.500	GA5-312, 350, 375 GP5B, GH5 SR5SS SX-510SS	S5A200, 225, 250, 275	AJ5-50	$2.75	Quantity
Zinc Electroplated	121J-560-Z3C	.3125	.300	.600	GA5-312, 350, 375 GP5B, GH5 SR5SS SX-510SS	S5A200, 225, 250, 275	AJ5-60	$2.59	Quantity
Zinc Electroplated	121J-570-Z3C	.3125	.400	.700	GA5-312, 350, 375 GP5B, GH5 SR5SS SX-510SS	S5A200, 225, 250, 275	AJ5-70	$5.55	Quantity
Zinc Electroplated	121J-635-Z3C	.375	.150	.350	GA6-350, 375, 425 GP6B, GH6 SR6SS SX-518SS	S6-225, 250, 275 300	AJ6-35*	$2.88	Quantity
Zinc Electroplated	121J-640-Z3C	.375	.190	.400	GA6-350, 375, 425 GP6B, GH6 SR6SS SX-518SS	S6-225, 250, 275 300	AJ6-40	$2.54	Quantity
Zinc Electroplated	121J-650-Z3C	.375	.250	.500	GA6-350, 375, 425, GP6B, GH6 SR6SS SX-518SS	S6-225, 250, 275 300	AJ6-50	$2.63	Quantity
Zinc Electroplated	121J-660-Z3C	.375	.300	.600	GA6-350, 375, 425 GP6B, GH6 SR6SS SX-518SS	S6-225, 250, 275 300	AJ6-60	$2.37	Quantity
Zinc Electroplated	121J-670-Z3C	.375	.350	.700	GA6-350, 375, 425 GP6B, GH6 SR6SS SX-518SS	S6-225, 250, 275 300	AJ6-70	$2.49	Quantity
Zinc Electroplated	121J-750-Z3C	.4375	.250	.500	GA7-375, 475, 525 GH7 SR7SS SR7SS SX-519SS	S7-225, 250, 275 300	AJ7-50	$1.60	Quantity
Zinc Electroplated	121J-770-Z3C	.4375	.350	.700	GA7-375, 475, 525 GH7 SR7SS SR7SS SX-519SS	S7-225, 250, 275 300	AJ7-70	$6.55	Quantity
Stainless	121J-335-SS	.1875	.150	.350	SR3SS		AJ3-35SS*	$6.50	Quantity
Stainless	121J-425-SS	.250	.100	.250	GA4-225, 250, 275, 300 GP4B, GH4 SB4SS SX-523SS	S4-200, 225	AJ4-25SS*	$14.50	Quantity
Stainless	121J-430-SS	.250	.100	.300	GA4-225, 250, 275, 300 GP4B, GH4 SB4SS SX-523SS	S4-200, 225	AJ4-30SS	$8.50	Quantity
Stainless	121J-435-SS	.250	.150	.350	GA4-225, 250, 275, 300 GP4B, GH4 SB4SS SX-523SS	S4-200, 225	AJ4-35SS*	$5.45	Quantity
Stainless	121J-440-SS	.250	.200	.400	GA4-225, 250, 275, 400 GP4B, GH4 SB4SS SX-523SS	S4-200, 225	AJ4-40SS	$4.35	Quantity
Stainless	121J-530-SS	.3125	.125	.300	GA5-312, 350, 375 GP5B, GH6 SR5SS	S5A200 225 250 275	AJ5-30SS	$4.50	Quantity
Stainless	121J-535	.3125	.125	.350	GA5-312, 350, 375 GP5B, GH5 SR5SS	S5A200 225 250 275	AJ5-35SS*	$3.80	Quantity
Stainless	121J-540	.3125	.190	.400	GA5-312, 350, 375 GP5B, GH5 SR5SS	S5A200 225 250 275	AJ5-40SS	$3.85	Quantity

Subtotal $0.00

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Overview
In The Box
Reviews
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Overview

Download the Application Chart (PDF)

CAD Plated fasteners are no longer available due to enviromental reasons.

( * ) :No longer available after our current stock is depleted. Please order next longer size.


	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

In The Box

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Reviews

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V.G.

Bob H

Verified Purchase

DZUS STUD AJ5-45

July 27, 2023

Dzus fastener worked perfectly as expected.

Calvin H

Verified Purchase

DZUS FASTENERS AJ5-40

July 23, 2023

Dzus fastener worked perfectly as expected.

Calvin H

Verified Purchase

DZUS FASTENERS AJ5-35

July 23, 2023

Dzus fastener worked perfectly as expected.

Calvin H

Verified Purchase

DZUS 121J-530-Z3CT

July 23, 2023

Need replacements for side panel on my C&J XR500 Honda, which I found on the reviews for these fasteners. Very Satisfied, Perfect replacement.

Greg B

Verified Purchase

DZUS FASTENER AJ4-30

June 20, 2023

Worked perfectly. I have been looking for this model and found at Aircraft Spruce.

Phil B

Verified Purchase

AJ6-60 ZINC PLATED DZUS STUD

June 10, 2023

Perfect

Mark B

Verified Purchase

AJ5-40SS DZUS OVAL HEAD STUD

April 29, 2023

Glad they are still available.

Philip B

Verified Purchase

DZUS STUD AJ4-50

April 5, 2023

Glad they were available.

Philip B

Verified Purchase

DZUS FASTENER AJ3-25

April 5, 2023

Aaron V

Verified Purchase

AJ7-50 CAD OVAL HEAD STUD

February 25, 2023

David D

Verified Purchase

AJ3-35 CAD OVAL HEAD STUD

February 15, 2023

good Product

John L

Verified Purchase

AJ6-60 ZINC PLATED DZUS STUD

February 10, 2023

these fasteners were perfect for my vintage C&J frame motocross bike side panels !

Jim C

Verified Purchase

DZUS FASTENER AJ4-30

December 31, 2022

Very accurate and well made.

Daniel R

Verified Purchase

DZUS FASTENER AJ4-30

December 29, 2022

This piece was a direct replacement for my H-35 Bonanza cowling.

Bruce V

Verified Purchase

DZUS 121J-530-Z3CT

October 11, 2022

Perfect fit for my motorcycle fairing!

Francois G

Verified Purchase

DZUS FASTENERS AJ5-40

July 15, 2022

Perfect fit.

Andrew M

Verified Purchase

AJ4-45 DZUS CAD OVALHEAD STUD

March 9, 2022

Excellent part

Andrew M

Verified Purchase

AJ4-40SS DZUS OVAL HEAD STUD

July 7, 2021

Diificult to find in Canada...Aircraft Spruce had them in stock for a very competetive price.

Pat K

Verified Purchase

AJ6-60 ZINC PLATED DZUS STUD

June 4, 2021

perfect

Mrg

August 17, 2020

Perfect,

Lee W

November 10, 2019

Does the job it is designed for

Andrew H

September 7, 2017

I have received aj4-40 i have asked aj5-40 i still need them please send me them if required Ask for my crédit card no via e mail and l will send you thank you

Gilles D

November 5, 2020

These fasteners did not fit my application.

Larry H

Verified Purchase

DZUS FASTENER AJ3-30

May 3, 2022

Unfortunately the part supplied was 1mm too short, and so would not lock in. Very disapointing!

Doug J

January 30, 2020

Getting the stud only without the rest of the parts is not helpful. No direction to the crush ring and spring are supplied by your catalog. a seperate listing of these parts rather than a group as they are now and how to get to them is needed.

Michael H

March 2, 2017

Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: If I order a Dzus fastener, does it come with the appropriate spring?

No, the springs are sold separate.

Q: Are the dimension in inches are in cm?

Dims are in inches.

Q: I own a 1947 Bonanza 35, Dzus part # for the studs are AJ5-30. What is the corresponding Dzus spring part #?

It depends on the total thickness from under the head to the spring. For that stud it would be S5A-200 through 275. There is a chart on the web.

Q: Do these come with the delrin washers/spacers?

No, you can purchase the GP3B separately, its a plastic half grommet.

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