ASME B18.2.1 | 1/4-20UNC x 0.5
dNominal Diameter · mm1/4-20 UNC
lLength · mm0.5
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
1/2Bolts
Hex Bolt, SAE J429 Grade 5, UNC
ASME B18.2.1 · 1/4-20 UNC–7/16-14 UNC · Carbon Steel
ASME B18.2.1 (Current)
● Made to order
- Material
- Carbon Steel
- Finish
- Blackened, Plain, Zinc Plated, Hot Dip Galvanized
- moq
- 1000
- Property Class / Grade
- 8.8
Lead time: 15 Days
Share
Available options
Material
Finish
112 sizes
| dNominal Diameter · mm | lLength · mm | dBasic Major Diameter · in | TPIThreads Per Inch | Thread Series | Thread Class | Quantity and inquiry |
|---|---|---|---|---|---|---|
| 1/4-20 UNC | 0.5 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 0.75 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 1 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 1.25 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 1.5 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 1.75 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 2 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 2.5 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 3 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 3.5 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 4 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 5 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 6 | 0.25 | 20 | UNC | 2A | |
| 1/4-20 UNC | 8 | 0.25 | 20 | UNC | 2A | |
| 5/16-18 UNC | 0.5 | 0.3125 | 18 | UNC | 2A | |
| 5/16-18 UNC | 0.75 | 0.3125 | 18 | UNC | 2A |
ASME B18.2.1 | 1/4-20UNC x 0.75
dNominal Diameter · mm1/4-20 UNC
lLength · mm0.75
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 1
dNominal Diameter · mm1/4-20 UNC
lLength · mm1
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 1.25
dNominal Diameter · mm1/4-20 UNC
lLength · mm1.25
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 1.5
dNominal Diameter · mm1/4-20 UNC
lLength · mm1.5
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 1.75
dNominal Diameter · mm1/4-20 UNC
lLength · mm1.75
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 2
dNominal Diameter · mm1/4-20 UNC
lLength · mm2
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 2.5
dNominal Diameter · mm1/4-20 UNC
lLength · mm2.5
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 3
dNominal Diameter · mm1/4-20 UNC
lLength · mm3
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 3.5
dNominal Diameter · mm1/4-20 UNC
lLength · mm3.5
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 4
dNominal Diameter · mm1/4-20 UNC
lLength · mm4
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 5
dNominal Diameter · mm1/4-20 UNC
lLength · mm5
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 6
dNominal Diameter · mm1/4-20 UNC
lLength · mm6
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 1/4-20UNC x 8
dNominal Diameter · mm1/4-20 UNC
lLength · mm8
dBasic Major Diameter · in0.25
TPIThreads Per Inch20
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 5/16-18UNC x 0.5
dNominal Diameter · mm5/16-18 UNC
lLength · mm0.5
dBasic Major Diameter · in0.3125
TPIThreads Per Inch18
Thread SeriesUNC
Thread Class2A
ASME B18.2.1 | 5/16-18UNC x 0.75
dNominal Diameter · mm5/16-18 UNC
lLength · mm0.75
dBasic Major Diameter · in0.3125
TPIThreads Per Inch18
Thread SeriesUNC
Thread Class2A
Product description
Hexagon Head Bolt, SAE J429 Grade 5, UNC is supplied to ASME B18.2.1 in 0.5–8 in lengths. Confirmed supply options include Carbon Steel, grades or classes 8.8, Blackened, Plain, Zinc Plated and Hot Dip Galvanized finishes.
Key features
- Plain unthreaded shank under the head with a threaded end.
Applications
- Suitable for shear-loaded joints, steel structure connections, and machinery and equipment assembly.
Standard and order documents
The selected execution standard is the product basis. Published or order-specific documents are shown only when they have been confirmed for this product.
Order assurance
Available options; exact scope is fixed in the quotation or order.EN 10204 3.1 material certificate
Can be included when agreed in the order.
Dimensional inspection report
Can be provided for the agreed inspection scope.
Bulk carton packing
Available subject to confirmed piece weight and shipping requirements.
Palletized shipment
Available when pallet size and handling requirements are confirmed.
Small boxes with outer cartons
Available when the box quantity and labels are agreed.
Buyer branding and labels
Available after artwork, label content, placement and the applicable minimum batch are agreed.
Frequently Asked Questions
What documented quality support is available for Hex Bolt, SAE J429 Grade 5, UNC?
Documents: EN 10204 3.1 material certificate, Dimensional inspection report. Confirm the required scope and acceptance criteria in the quotation.
Which order and delivery details are already confirmed for Hex Bolt, SAE J429 Grade 5, UNC?
Lead time: 15 Days. Confirmed packing options include Bulk carton packing, Palletized shipment, Small boxes with outer cartons, Buyer branding and labels.
What information should be included in a quotation request for Hex Bolt, SAE J429 Grade 5, UNC?
Provide the required standard, diameter or size, length, material, property class or grade, finish, quantity.
Related Products
Request this product by exact specification.
Add the required size, quantity, material, finish and documents where known.