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Home / Hardware / Washers /Countersunk Washers
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COUNTERSUNK WASHERS

16 Reviews 3 Answered Questions
From $0.15 to $0.25
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MFG No. PN Screw Size I.D.
(in.)		 O.D.
(in.)		 Approx.
Thickness		 Price Price per
100		 Buy
A3236-012-193
A3236-012-193
6.140.500.016"$0.248--
Quantity
A3135-017-193
A3135-017-193
8.171.560.024"$0.18$14.40
Quantity
A3235-028-193
04-02036
10.196.750.035"$0.15$12.00
Quantity
Subtotal $0.00
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Overview

Washers for use with 100° flat-head screws such as MS24693 and MS24694 machine screws and NAS548 sheet metal screws to provide reinforced, low-profile attachments. Made of spring steel, Zinc plated.

Reviews

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5

Mary S Verified Purchase

TINNERMAN WASHER ALT.FW135-17
November 2, 2021

Rodney M Verified Purchase

WASHER A3235-028-193 TINNERMAN
September 8, 2021

These were good, you did not have other sizes in stock.

Charles H Verified Purchase

TINNERMAN WASHER A3236-012-193
September 2, 2021

Good.

Haneul N Verified Purchase

WASHER A3235-028-193 TINNERMAN
August 25, 2021

quality item - all items are exactly the same - no burrs & dimples are correct.

Gary C Verified Purchase

WASHER A3235-028-193 TINNERMAN
July 6, 2021

good quality

Dayton M Verified Purchase

WASHER A3235-028-193 TINNERMAN
June 12, 2021

good quality

Dayton M Verified Purchase

TINNERMAN WASHER ALT.FW135-17
June 12, 2021

Use as mention will be perfect for my hydroplane,

Macsheen H Verified Purchase

WASHER A3235-028-193 TINNERMAN
May 24, 2021

These washer fit and function as expected.

Jeff B
April 21, 2021

Very good product, just what I needed.

Barry L
February 17, 2021

Q&A

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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: What is the material thickness of these countersunk washers?

Approximate material thicknesses: #6 = 0.016", #8 = 0.024", #10 = 0.035", 1/4 = 0.035".

Q: Are these Tinnerman countersunk washers silver in color or yellow?

These washers are silver.

Q: What size countersink tool should be used?

For this particular part number you would want a .140-.147" hole, a #28 or #27 drill would work.

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