E-Z LOK - 303-820 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 1/2"-20 Internal Threads, 3/4"-10 External Threads, 0.656" Length, Made in US (Pack of 5)

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e-z lok - 303-820 e-z lok externally threaded insert 303 stainless steel 1234-20 internal threads 3434-10 external threads 065634 length made in us pack of 5

$ 44.50

Last price was updated on: 10th Dec 2025, 03:31 PM

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Pricing Analytics & Buying Assistance

Price Score: Good

Poor Average Good Excellent

Current Price $44.50

$6.03

Lowest

$109.44

Highest

Buying Advice:
Good – Worth buying. 49% chance price goes up. Buy soon.

Price History Benchmarks

Lowest Ever

$6.03

31st Dec 2017

Highest Ever

$109.44

18th Feb 2018

Average Price

$28.27

522 data points

Last 3M Low

$33.14

31st Oct 2025

Last 6M Low

$29.93

11th Jul 2025

Last 12M Low

$29.93

11th Jul 2025

Price History Chart

Product Variants

Image of E-Z LOK - 303-8 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 1/2"-13 Internal Threads, 3/4"-10 External Threads, 0.656" Length, Made in US (Pack of 5)

$32.70

E-Z LOK - 303-8 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 1/2"-13 Internal Threads, 3/4"-10 External Threads, 0.656" Length, Made in US (Pack of 5)

Image of E-Z LOK - 303-10 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 5/8"-11 Internal Threads, 7/8"-9 External Threads, 0.687" Length, Made in US (Pack of 5)

$40.50

E-Z LOK - 303-10 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 5/8"-11 Internal Threads, 7/8"-9 External Threads, 0.687" Length, Made in US (Pack of 5)

$30.52

E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 1/4"-28 Internal Threads, 7/16"-14 External Threads, 0.437" Length, Made in US (Pack of 5)

$7.70

E-Z Lok Externally Threaded Insert, 303 Stainless Steel, M3-0.5 Internal Threads, M6x1.0 External Threads, 6.48mm Length, Made in US (Pack of 5)

$26.65

E-Z Lok Externally Threaded Insert, 303 Stainless Steel, M16-2.0 Internal Threads, M24x3.0 External Threads, 19.99mm Length, Made in US

$34.36

E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 7/16"-20 Internal Threads, 5/8"-11 External Threads, 0.656" Length, Made in US (Pack of 5)

Image of E-Z LOK - 303-4 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 1/4"-20 Internal Threads, 7/16"-14 External Threads, 0.437" Length, Made in US (Pack of 5)`

$19.70

E-Z LOK - 303-4 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 1/4"-20 Internal Threads, 7/16"-14 External Threads, 0.437" Length, Made in US (Pack of 5)`

Image of E-Z LOK - 303-332 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, #10-32 Internal Threads, 3/8"-16 External Threads, 0.406" Length, Made in US (Pack of 5)

$18.40

E-Z LOK - 303-332 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, #10-32 Internal Threads, 3/8"-16 External Threads, 0.406" Length, Made in US (Pack of 5)

$34.15

E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 3/4"-10 Internal Threads, 1"-8 External Threads, 0.781" Length, Made in US

Image of E-Z LOK - 303-3 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, #10-24 Internal Threads, 3/8"-16 External Threads, 0.406" Length, Made in US (Pack of 5)

$23.45

E-Z LOK - 303-3 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, #10-24 Internal Threads, 3/8"-16 External Threads, 0.406" Length, Made in US (Pack of 5)

Image of E-Z LOK - 453-4 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, M4-0.7 Internal Threads, M8x1.25 External Threads, 7.49mm Length, Made in US (Pack of 5)

$14.24

E-Z LOK - 453-4 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, M4-0.7 Internal Threads, M8x1.25 External Threads, 7.49mm Length, Made in US (Pack of 5)

Image of E-Z LOK - 303-820 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 1/2"-20 Internal Threads, 3/4"-10 External Threads, 0.656" Length, Made in US (Pack of 5)

$44.50

E-Z LOK - 303-820 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 1/2"-20 Internal Threads, 3/4"-10 External Threads, 0.656" Length, Made in US (Pack of 5)

$17.04

E-Z Lok Externally Threaded Insert, 303 Stainless Steel, M5-0.8 Internal Threads, M8x1.25 External Threads, 7.49mm Length, Made in US (Pack of 5)

$14.18

E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 3/8"-24 Internal Threads, 9/16"-12 External Threads, 0.515" Length, Made in US (Pack of 5)

$16.62

E-Z Lok Externally Threaded Insert, 303 Stainless Steel, #4-40 Internal Threads, #10-32 External Threads, 0.250" Length, Made in US (Pack of 5)

Product Technical Information

Product Code	B002WC8T34
Market Place	amazon.com
Market Place Name	Amazon.com
Rating	4.5 ( 100 ratings )
Category	Thread Locking Inserts
Item Color	Red

Frequently Asked Questions

What is the lowest price ever for this product? ▶

The lowest price for E-Z LOK - 303-820 E-Z Lok Externally Threaded Insert 303 Stainless Steel 1234-20 Internal Threads 3434-10 External Threads 065634 Length Made in US Pack of 5 was $6.03 on 31st Dec 2017. This is the best recorded deal so far.
What is the highest price ever for this product? ▶

The highest price for E-Z LOK - 303-820 E-Z Lok Externally Threaded Insert 303 Stainless Steel 1234-20 Internal Threads 3434-10 External Threads 065634 Length Made in US Pack of 5 was $109.44 on 18th Feb 2018. Prices have dropped since then.
What is the average price of this product? ▶

The average price for E-Z LOK - 303-820 E-Z Lok Externally Threaded Insert 303 Stainless Steel 1234-20 Internal Threads 3434-10 External Threads 065634 Length Made in US Pack of 5 is $28.27 (522 data points). This helps you compare current deals.
What is the lowest price in the last 3 months? ▶

In the last 3 months, E-Z LOK - 303-820 E-Z Lok Externally Threaded Insert 303 Stainless Steel 1234-20 Internal Threads 3434-10 External Threads 065634 Length Made in US Pack of 5 reached a low of $33.14 on 31st Oct 2025. Recent price trends may help you decide when to buy.
Should I buy this product now? ▶

Worth buying. The price is good, but you may wait for a better deal. 49% chance price goes up. Price may increase soon.