1/2-13 UNC × 1 × 0.25 × 0.5 × 13 × UNC × 3A × 0.25
dNominal Diameter (in)1/2-13 UNC
lLength (in)1
sHex Socket Size (in)0.25
dBasic Major Diameter (in)0.5
TPIThreads Per Inch13
Thread SeriesUNC
MOQ1500
Half Dog Point Socket Set Screw ASME B18.3
ASME B18.3 (Current)
- Material
- Alloy Steel
- Finish
- Blackened, Plain
- Size range
- #6-32UNC, #8-32UNC, #10-24UNC + 6 more
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Select sizes and quantities — 87 confirmed sizes to ASME B18.3
Material
Finish
| dNominal Diameter (in) | lLength (in) | sHex Socket Size (in) | dBasic Major Diameter (in) | TPIThreads Per Inch | Thread Series | MOQ | Quantity and inquiry |
|---|---|---|---|---|---|---|---|
| 1/2-13 UNC | 1 | 0.25 | 0.5 | 13 | UNC | 1500 | |
| 1/2-13 UNC | 1.125 | 0.25 | 0.5 | 13 | UNC | 1500 | |
| 1/2-13 UNC | 1.25 | 0.25 | 0.5 | 13 | UNC | 1500 | |
| 1/2-13 UNC | 1.375 | 0.25 | 0.5 | 13 | UNC | 1500 | |
| 1/2-13 UNC | 1.5 | 0.25 | 0.5 | 13 | UNC | 1500 | |
| 1/2-13 UNC | 1.75 | 0.25 | 0.5 | 13 | UNC | 1500 | |
| 5/8-11 UNC | 0.625 | 0.312 | 0.625 | 11 | UNC | 1000 | |
| 5/8-11 UNC | 0.75 | 0.312 | 0.625 | 11 | UNC | 1000 | |
| 5/8-11 UNC | 0.875 | 0.312 | 0.625 | 11 | UNC | 1000 | |
| 5/8-11 UNC | 1 | 0.312 | 0.625 | 11 | UNC | 1000 | |
| 5/8-11 UNC | 1.125 | 0.312 | 0.625 | 11 | UNC | 1000 | |
| 5/8-11 UNC | 1.25 | 0.312 | 0.625 | 11 | UNC | 1000 | |
| 5/8-11 UNC | 1.375 | 0.312 | 0.625 | 11 | UNC | 1000 | |
| 5/8-11 UNC | 1.5 | 0.312 | 0.625 | 11 | UNC | 1000 | |
| 5/8-11 UNC | 1.75 | 0.312 | 0.625 | 11 | UNC | 1000 | |
| 3/4-10 UNC | 0.75 | 0.375 | 0.75 | 10 | UNC | 1000 |
Showing 16 of 87 sizes
1/2-13 UNC × 1.125 × 0.25 × 0.5 × 13 × UNC × 3A × 0.25
dNominal Diameter (in)1/2-13 UNC
lLength (in)1.125
sHex Socket Size (in)0.25
dBasic Major Diameter (in)0.5
TPIThreads Per Inch13
Thread SeriesUNC
MOQ1500
1/2-13 UNC × 1.25 × 0.25 × 0.5 × 13 × UNC × 3A × 0.25
dNominal Diameter (in)1/2-13 UNC
lLength (in)1.25
sHex Socket Size (in)0.25
dBasic Major Diameter (in)0.5
TPIThreads Per Inch13
Thread SeriesUNC
MOQ1500
1/2-13 UNC × 1.375 × 0.25 × 0.5 × 13 × UNC × 3A × 0.25
dNominal Diameter (in)1/2-13 UNC
lLength (in)1.375
sHex Socket Size (in)0.25
dBasic Major Diameter (in)0.5
TPIThreads Per Inch13
Thread SeriesUNC
MOQ1500
1/2-13 UNC × 1.5 × 0.25 × 0.5 × 13 × UNC × 3A × 0.25
dNominal Diameter (in)1/2-13 UNC
lLength (in)1.5
sHex Socket Size (in)0.25
dBasic Major Diameter (in)0.5
TPIThreads Per Inch13
Thread SeriesUNC
MOQ1500
1/2-13 UNC × 1.75 × 0.25 × 0.5 × 13 × UNC × 3A × 0.25
dNominal Diameter (in)1/2-13 UNC
lLength (in)1.75
sHex Socket Size (in)0.25
dBasic Major Diameter (in)0.5
TPIThreads Per Inch13
Thread SeriesUNC
MOQ1500
5/8-11 UNC × 0.625 × 0.312 × 0.625 × 11 × UNC × 3A × 0.312
dNominal Diameter (in)5/8-11 UNC
lLength (in)0.625
sHex Socket Size (in)0.312
dBasic Major Diameter (in)0.625
TPIThreads Per Inch11
Thread SeriesUNC
MOQ1000
5/8-11 UNC × 0.75 × 0.312 × 0.625 × 11 × UNC × 3A × 0.312
dNominal Diameter (in)5/8-11 UNC
lLength (in)0.75
sHex Socket Size (in)0.312
dBasic Major Diameter (in)0.625
TPIThreads Per Inch11
Thread SeriesUNC
MOQ1000
5/8-11 UNC × 0.875 × 0.312 × 0.625 × 11 × UNC × 3A × 0.312
dNominal Diameter (in)5/8-11 UNC
lLength (in)0.875
sHex Socket Size (in)0.312
dBasic Major Diameter (in)0.625
TPIThreads Per Inch11
Thread SeriesUNC
MOQ1000
5/8-11 UNC × 1 × 0.312 × 0.625 × 11 × UNC × 3A × 0.312
dNominal Diameter (in)5/8-11 UNC
lLength (in)1
sHex Socket Size (in)0.312
dBasic Major Diameter (in)0.625
TPIThreads Per Inch11
Thread SeriesUNC
MOQ1000
5/8-11 UNC × 1.125 × 0.312 × 0.625 × 11 × UNC × 3A × 0.312
dNominal Diameter (in)5/8-11 UNC
lLength (in)1.125
sHex Socket Size (in)0.312
dBasic Major Diameter (in)0.625
TPIThreads Per Inch11
Thread SeriesUNC
MOQ1000
5/8-11 UNC × 1.25 × 0.312 × 0.625 × 11 × UNC × 3A × 0.312
dNominal Diameter (in)5/8-11 UNC
lLength (in)1.25
sHex Socket Size (in)0.312
dBasic Major Diameter (in)0.625
TPIThreads Per Inch11
Thread SeriesUNC
MOQ1000
5/8-11 UNC × 1.375 × 0.312 × 0.625 × 11 × UNC × 3A × 0.312
dNominal Diameter (in)5/8-11 UNC
lLength (in)1.375
sHex Socket Size (in)0.312
dBasic Major Diameter (in)0.625
TPIThreads Per Inch11
Thread SeriesUNC
MOQ1000
5/8-11 UNC × 1.5 × 0.312 × 0.625 × 11 × UNC × 3A × 0.312
dNominal Diameter (in)5/8-11 UNC
lLength (in)1.5
sHex Socket Size (in)0.312
dBasic Major Diameter (in)0.625
TPIThreads Per Inch11
Thread SeriesUNC
MOQ1000
5/8-11 UNC × 1.75 × 0.312 × 0.625 × 11 × UNC × 3A × 0.312
dNominal Diameter (in)5/8-11 UNC
lLength (in)1.75
sHex Socket Size (in)0.312
dBasic Major Diameter (in)0.625
TPIThreads Per Inch11
Thread SeriesUNC
MOQ1000
3/4-10 UNC × 0.75 × 0.375 × 0.75 × 10 × UNC × 3A × 0.375
dNominal Diameter (in)3/4-10 UNC
lLength (in)0.75
sHex Socket Size (in)0.375
dBasic Major Diameter (in)0.75
TPIThreads Per Inch10
Thread SeriesUNC
MOQ1000
Product details
- Description
- Half dog point socket set screws per ASME B18.3 feature a reduced-diameter cylindrical point with a flat end, driven by an internal hex socket. Threads are UNC class 3A, with sizes from #6-32 to 3/4-10. Material is alloy steel, supplied blackened or plain. For quotation, specify diameter, thread series, length, finish, and quantity.
- Features
- Internal hex socket drive · Half dog point with reduced diameter and flat end · UNC class 3A threads · Available in sizes #6-32 through 3/4-10
- Applications
- Machine tool and jig assembly, Compact joints where a counterbored seat is used, Automation and equipment frames, Mould and die assembly
Order assurance
Confirmed for the quoted product and order.Reports & inspection
Agreed in the quotation.
- EN 10204 3.1 material certificate
- Dimensional inspection report
- Certificate of conformity
- Mechanical test report
- Chemical analysis report
- Coating inspection report
- Batch and lot traceability
Packaging & delivery
Options we supply.
- Bulk carton packing
- Small boxes with outer cartons
- Palletized shipment
- Fumigation-free pallets
- Inner poly bags
- Buyer branding and labels
Product questions
What sizes of ASME B18.3 set screws do you supply?
Execution standard: ASME B18.3. The confirmed specification table covers 1–10 diameters and 0.25–1.75 lengths. Use the specification table to select the exact variant required for quotation.
Which materials, grades and finishes can I order?
Material: Alloy Steel; Finish: Blackened, Plain. Availability should be confirmed against the selected specification and order quantity.
Where are these set screws typically used?
Typical applications include Machine tool and jig assembly, Compact joints where a counterbored seat is used, Automation and equipment frames, Mould and die assembly. Final suitability depends on the selected material, grade, finish and operating conditions.
