x

*Want to search a historical price chart of products or the lowest ever price? Search for the name of the product or paste the product's link in the search box and hit enter. you will see the product's historical milestone prices, charts, and all current offers with Price History. Do check Amazon Price Tracker and Flipkart Price Tracker for price traking.

×

Select Products from Result

1 4 inch-20 x 3 8 inch
18th Jul 2026, 09:36 AM

1 /4 inch-20 x 3 /8 inch Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 3300 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Price may vary by location, shipping cost, and availability.
Lowest in last 4 months
$433.99

Buy @ amazon.com
Highest: $433.99
Average: $433.99
Lowest: $433.99

Should you buy at this price?

Skip
Wait
Okay
Yes

Based our analysis and observation, there is very negligible chances of price to increase or decrease, more likely ro remain constant based on our price historical data.*

Price History Graph

Offer Price Prices
Lowest: -
Average: -
Highest: -

Price History Information

You can check the price history of 1 /4 inch-20 x 3 /8 inch Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 3300 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use. here. This product's current Price in USA is $433.99. The average and highest prices are $433.99 and $433.99 respectively.

Lowest Ever Price $433.99
6th Mar 2026
Average Price $433.99
Based on 137 days price tracking
Highest Price $433.99
6th Mar 2026

Price History of All Variants of 1 4 inch-20 x 3 8 inch...

Grade 8 Hex Cap Screws Zinc Yellow
Offer Price: $20.00

Grade 8 Hex Cap Screws Zinc Yellow Plated 1/4"-20 x 1, 100 -Pieces, Coarse Thread Fully Threaded by Newport Fasteners

Get Deal

1434-20 x 4 Hex Cap Screws Grade
Offer Price: $37.99

1/4"-20 x 4 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 50 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 2 Hex Cap Screws Grade
Offer Price: $74.99

1/4"-20 x 2 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 1-3434 Hex Cap Screws Grade
Offer Price: $182.99

1/4"-20 x 1-3/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow 1400 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 2-1434 Hex Cap Screws Grade
Offer Price: $73.99

1/4"-20 x 2-1/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 3434 Hex Cap Screws Grade

1/4"-20 x 3/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 2700 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

1434-20 x 4-1234 Hex Cap Screws Grade
Offer Price: $226.99

1/4"-20 x 4-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 450 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 5 Hex Cap Screws Grade
Offer Price: $223.99

1/4"-20 x 5 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 400 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 5 Hex Cap Screws Grade
Offer Price: $63.99

1/4"-20 x 5 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 50 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 1 Hex Cap Screws Grade
Offer Price: $182.99

1/4"-20 x 1 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 2200 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

1434-20 x 8 Hex Cap Screws Grade
Offer Price: $53.99

1/4"-20 x 8 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 10 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 5-1234 Hex Cap Screws Grade
Offer Price: $243.99

1/4"-20 x 5-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 400 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 2-3434 Hex Cap Screws Grade
Offer Price: $48.99

1/4"-20 x 2-3/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 7834 Hex Cap Screws Grade
Offer Price: $196.99

1/4"-20 x 7/8" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 2500 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength for automotive and structural use.

Get Deal

1434-20 x 5834 Hex Cap Screws Grade
Offer Price: $43.99

1/4"-20 x 5/8" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

1434-20 x 1-1434 Hex Cap Screws Grade
Offer Price: $189.99

1/4"-20 x 1-1/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow 1900 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 3-1434 Hex Cap Screws Grade
Offer Price: $32.99

1/4"-20 x 3-1/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 50 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 2-1234 Hex Cap Screws Grade
Offer Price: $88.99

1/4"-20 x 2-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 6 Hex Cap Screws Grade
Offer Price: $2,570.99

1/4"-20 x 6 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 350 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 3 Hex Cap Screws Grade
Offer Price: $102.99

1/4"-20 x 3 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 3834 Hex Cap Screws Grade
Offer Price: $370.99

1/4"-20 x 3/8" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

1434-20 x 3834 Hex Cap Screws Grade
Offer Price: $433.99

1/4"-20 x 3/8" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 3300 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

1434-20 x 4 Hex Cap Screws Grade
Offer Price: $189.99

1/4"-20 x 4 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 450 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 3434 Hex Cap Screws Grade
Offer Price: $187.99

1/4"-20 x 3/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 2700 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

1434-20 x 2-1234 Hex Cap Screws Grade
Offer Price: $165.99

1/4"-20 x 2-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 900 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 7-1234 Hex Cap Screws Grade
Offer Price: $39.99

1/4"-20 x 7-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 10 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1.

Get Deal

1434-20 x 6-1234 Hex Cap Screws Grade
Offer Price: $44.99

1/4"-20 x 6-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 10 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 3-3434 Hex Cap Screws Grade
Offer Price: $206.99

1/4"-20 x 3-3/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 500 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 4-1234 Hex Cap Screws Grade
Offer Price: $41.99

1/4"-20 x 4-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 50 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 2-3434 Hex Cap Screws Grade
Offer Price: $157.99

1/4"-20 x 2-3/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 750 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 5-1234 Hex Cap Screws Grade
Offer Price: $49.99

1/4"-20 x 5-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 50 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1.

Get Deal

1434-20 x 1234 Hex Cap Screws Grade
Offer Price: $37.99

1/4"-20 x 1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

1434-20 x 1-3434 Hex Cap Screws Grade
Offer Price: $62.99

1/4"-20 x 1-3/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 5834 Hex Cap Screws Grade
Offer Price: $286.99

1/4"-20 x 5/8" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 3000 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

1434-20 x 1-1234 Hex Cap Screws Grade
Offer Price: $61.99

1/4"-20 x 1-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1.

Get Deal

1434-20 x 7 Hex Cap Screws Grade
Offer Price: $225.99

1/4"-20 x 7 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 300 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 2-1434 Hex Cap Screws Grade
Offer Price: $249.99

1/4"-20 x 2-1/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow 1000 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 3 Hex Cap Screws Grade
Offer Price: $243.99

1/4"-20 x 3 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 750 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 7834 Hex Cap Screws Grade
Offer Price: $26.99

1/4"-20 x 7/8" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

1434-20 x 3-3434 Hex Cap Screws Grade
Offer Price: $36.99

1/4"-20 x 3-3/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 50 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 1-1434 Hex Cap Screws Grade
Offer Price: $55.99

1/4"-20 x 1-1/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 100 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 3-1434 Hex Cap Screws Grade
Offer Price: $151.99

1/4"-20 x 3-1/4" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 600 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 6 Hex Cap Screws Grade
Offer Price: $61.99

1/4"-20 x 6 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 50 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1.

Get Deal

1434-20 x 7 Hex Cap Screws Grade
Offer Price: $26.99

1/4"-20 x 7 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 10 Pack | Partially Threaded. 0.75" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 1234 Hex Cap Screws Grade
Offer Price: $193.99

1/4"-20 x 1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 3300 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Get Deal

Grade 8 Hex Cap Screws Zinc Yellow
Offer Price: $185.99

Grade 8 Hex Cap Screws Zinc Yellow Plated 1/4"-20 x 1-1/2", 1600 -Pieces, Coarse Thread Partially Threaded 0.75 inches of Thread by Newport Fasteners

Get Deal

1434-20 x 7-1234 Hex Cap Screws Grade
Offer Price: $223.99

1/4"-20 x 7-1/2" Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 275 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

1434-20 x 8 Hex Cap Screws Grade
Offer Price: $2,593.99

1/4"-20 x 8 Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 275 Pack | Partially Threaded. 1" thread length. Hex head with washer face. ASME B18.2.1. Hex bolts.

Get Deal

Current Price in USA

Price $433.99

Product Information

Details

Product Name 1 /4 inch-20 x 3 /8 inch Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 3300 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.
Store Product Code B07H7NTR6Z
Store Name amazon.com
Rating 10 / 10
Category Hex Bolts
Product Manufacturer Newport Fasteners
Size 1/4-20 x 3/8 inch

Features

  • Grade 8 Steel made of alloy steel and has six radial lines on the top of the bolt head
  • Finish: Zinc Yellow
  • Coarse Thread / Fully Threaded
  • Manufactured to ASME B18.2.1 & SAE J429 specifications
  • Tensile Strength: 150,000 psi. min, 1/4 1.5 inch diams)

Images

×
Image of 1 /4 inch-20 x 3 /8 inch Hex Cap Screws, Grade 8 Alloy Steel, Zinc Yellow, 3300 Pack | Fully Threaded. Hex head with washer face. ASME B18.2.1. High strength hex bolts for automotive and structural use.

Rating and Reviews

10 Based on 5 reviews

1 4 inch-20 x 3 8 inch has 10 rating out of 10. This average rating is consist of 5 individual ratings. You can rate this product at product review page.

* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.
Buy @ amazon.com