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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 InchThread SeriesMOQQuantity and inquiry
#10-24 UNC0.31250.0940.1924UNC3000
#10-24 UNC0.3750.0940.1924UNC3000
#10-24 UNC0.43750.0940.1924UNC3000
#10-24 UNC0.50.0940.1924UNC3000
#10-24 UNC0.6250.0940.1924UNC3000
#10-24 UNC0.750.0940.1924UNC3000
#10-24 UNC0.8750.0940.1924UNC3000
#10-24 UNC10.0940.1924UNC3000
1/4-20 UNC0.250.1250.2520UNC2000
1/4-20 UNC0.31250.1250.2520UNC2000
1/4-20 UNC0.3750.1250.2520UNC2000
1/4-20 UNC0.43750.1250.2520UNC2000
1/4-20 UNC0.50.1250.2520UNC2000
1/4-20 UNC0.6250.1250.2520UNC2000
1/4-20 UNC0.750.1250.2520UNC2000
1/4-20 UNC0.8750.1250.2520UNC2000

Showing 16 of 87 sizes

#10-24 UNC × 0.3125 × 0.094 × 0.19 × 24 × UNC × 3A × 0.1

dNominal Diameter (in)#10-24 UNC
lLength (in)0.3125
sHex Socket Size (in)0.094
dBasic Major Diameter (in)0.19
TPIThreads Per Inch24
Thread SeriesUNC
MOQ3000

#10-24 UNC × 0.375 × 0.094 × 0.19 × 24 × UNC × 3A × 0.1

dNominal Diameter (in)#10-24 UNC
lLength (in)0.375
sHex Socket Size (in)0.094
dBasic Major Diameter (in)0.19
TPIThreads Per Inch24
Thread SeriesUNC
MOQ3000

#10-24 UNC × 0.4375 × 0.094 × 0.19 × 24 × UNC × 3A × 0.1

dNominal Diameter (in)#10-24 UNC
lLength (in)0.4375
sHex Socket Size (in)0.094
dBasic Major Diameter (in)0.19
TPIThreads Per Inch24
Thread SeriesUNC
MOQ3000

#10-24 UNC × 0.5 × 0.094 × 0.19 × 24 × UNC × 3A × 0.1

dNominal Diameter (in)#10-24 UNC
lLength (in)0.5
sHex Socket Size (in)0.094
dBasic Major Diameter (in)0.19
TPIThreads Per Inch24
Thread SeriesUNC
MOQ3000

#10-24 UNC × 0.625 × 0.094 × 0.19 × 24 × UNC × 3A × 0.1

dNominal Diameter (in)#10-24 UNC
lLength (in)0.625
sHex Socket Size (in)0.094
dBasic Major Diameter (in)0.19
TPIThreads Per Inch24
Thread SeriesUNC
MOQ3000

#10-24 UNC × 0.75 × 0.094 × 0.19 × 24 × UNC × 3A × 0.1

dNominal Diameter (in)#10-24 UNC
lLength (in)0.75
sHex Socket Size (in)0.094
dBasic Major Diameter (in)0.19
TPIThreads Per Inch24
Thread SeriesUNC
MOQ3000

#10-24 UNC × 0.875 × 0.094 × 0.19 × 24 × UNC × 3A × 0.1

dNominal Diameter (in)#10-24 UNC
lLength (in)0.875
sHex Socket Size (in)0.094
dBasic Major Diameter (in)0.19
TPIThreads Per Inch24
Thread SeriesUNC
MOQ3000

#10-24 UNC × 1 × 0.094 × 0.19 × 24 × UNC × 3A × 0.1

dNominal Diameter (in)#10-24 UNC
lLength (in)1
sHex Socket Size (in)0.094
dBasic Major Diameter (in)0.19
TPIThreads Per Inch24
Thread SeriesUNC
MOQ3000

1/4-20 UNC × 0.25 × 0.125 × 0.25 × 20 × UNC × 3A × 0.125

dNominal Diameter (in)1/4-20 UNC
lLength (in)0.25
sHex Socket Size (in)0.125
dBasic Major Diameter (in)0.25
TPIThreads Per Inch20
Thread SeriesUNC
MOQ2000

1/4-20 UNC × 0.3125 × 0.125 × 0.25 × 20 × UNC × 3A × 0.125

dNominal Diameter (in)1/4-20 UNC
lLength (in)0.3125
sHex Socket Size (in)0.125
dBasic Major Diameter (in)0.25
TPIThreads Per Inch20
Thread SeriesUNC
MOQ2000

1/4-20 UNC × 0.375 × 0.125 × 0.25 × 20 × UNC × 3A × 0.125

dNominal Diameter (in)1/4-20 UNC
lLength (in)0.375
sHex Socket Size (in)0.125
dBasic Major Diameter (in)0.25
TPIThreads Per Inch20
Thread SeriesUNC
MOQ2000

1/4-20 UNC × 0.4375 × 0.125 × 0.25 × 20 × UNC × 3A × 0.125

dNominal Diameter (in)1/4-20 UNC
lLength (in)0.4375
sHex Socket Size (in)0.125
dBasic Major Diameter (in)0.25
TPIThreads Per Inch20
Thread SeriesUNC
MOQ2000

1/4-20 UNC × 0.5 × 0.125 × 0.25 × 20 × UNC × 3A × 0.125

dNominal Diameter (in)1/4-20 UNC
lLength (in)0.5
sHex Socket Size (in)0.125
dBasic Major Diameter (in)0.25
TPIThreads Per Inch20
Thread SeriesUNC
MOQ2000

1/4-20 UNC × 0.625 × 0.125 × 0.25 × 20 × UNC × 3A × 0.125

dNominal Diameter (in)1/4-20 UNC
lLength (in)0.625
sHex Socket Size (in)0.125
dBasic Major Diameter (in)0.25
TPIThreads Per Inch20
Thread SeriesUNC
MOQ2000

1/4-20 UNC × 0.75 × 0.125 × 0.25 × 20 × UNC × 3A × 0.125

dNominal Diameter (in)1/4-20 UNC
lLength (in)0.75
sHex Socket Size (in)0.125
dBasic Major Diameter (in)0.25
TPIThreads Per Inch20
Thread SeriesUNC
MOQ2000

1/4-20 UNC × 0.875 × 0.125 × 0.25 × 20 × UNC × 3A × 0.125

dNominal Diameter (in)1/4-20 UNC
lLength (in)0.875
sHex Socket Size (in)0.125
dBasic Major Diameter (in)0.25
TPIThreads Per Inch20
Thread SeriesUNC
MOQ2000

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.

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Quote Half Dog Point Socket Set Screw ASME B18.3

Add sizes, quantities, destination and any drawing or spreadsheet.

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