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Flare Mounted Broaching Standoffs  KFB3-U

Self Clinching Fasteners  •  Fasteners for PC Boards
American Standard (Inches) & Metric Sizes
• Self-clinching    • Used for spacing or stacking components
• Flared shank for greater strength   • Installed on PC boards
American Standard Sizes:   • Series  KFB3-U
Metric Sizes:   • Series  KFB3-U
Series  KFB3-U
Series  KFB3-U  /  American Standard Sizes
      • "A" (Shank) Max.-  0.090"
      • Sheet Thickness-  0.050"-0.065"
      • Fastener Material-  CDA-353 Brass
      • Mil-Spec-  N/A
      • "DT" Finish-  Electro-Plated Matte-Tin per ASTM B 545,
                             Class A with Clear Preservative Coating, Annealed
      • "ET" Finish-  Electro-Plated Bright Tin per ASTM B545,
                             Class B with Preservative Coating
Series KFB3-U
American Standard Sizes (SAE)
Part
Number
Thread "B" "C"
Max.
"E" "F"
Minimum
Thread
Length
"K" "P" "L" Hole
Size in
Sheet
Min.
Distance
to Edge
Part Numbers with "DT" Finish
  KFB3-440-2DT-U 4-40 0.122" 0.165" 0.219" 0.062" 0.179" 0.040" 0.062" 0.166" 0.170"
  KFB3-440-4DT-U 4-40 0.122" 0.165" 0.219" 0.125" 0.179" 0.040" 0.125" 0.166" 0.170"
  KFB3-440-6DT-U 4-40 0.122" 0.165" 0.219" 0.187" 0.179" 0.040" 0.187" 0.166" 0.170"
  KFB3-440-8DT-U 4-40 0.122" 0.165" 0.219" 0.250" 0.179" 0.040" 0.250" 0.166" 0.170"
  KFB3-440-10DT-U 4-40 0.122" 0.165" 0.219" 0.312" 0.179" 0.040" 0.312" 0.166" 0.170"
  KFB3-440-12DT-U 4-40 0.122" 0.165" 0.219" 0.375" 0.179" 0.040" 0.375" 0.166" 0.170"
  KFB3-440-16DT-U 4-40 0.122" 0.165" 0.219" 0.500" 0.179" 0.040" 0.500" 0.166" 0.170"
  KFB3-440-20DT-U 4-40 0.122" 0.165" 0.219" 0.625" 0.179" 0.040" 0.625" 0.166" 0.170"
 
  KFB3-632-2DT-U 6-32 0.171" 0.212" 0.280" 0.062" 0.226" 0.040" 0.062" 0.213" 0.220"
  KFB3-632-4DT-U 6-32 0.171" 0.212" 0.280" 0.125" 0.226" 0.040" 0.125" 0.213" 0.220"
  KFB3-632-6DT-U 6-32 0.171" 0.212" 0.280" 0.187" 0.226" 0.040" 0.187" 0.213" 0.220"
  KFB3-632-8DT-U 6-32 0.171" 0.212" 0.280" 0.250" 0.226" 0.040" 0.250" 0.213" 0.220"
  KFB3-632-10DT-U 6-32 0.171" 0.212" 0.280" 0.312" 0.226" 0.040" 0.312" 0.213" 0.220"
  KFB3-632-12DT-U 6-32 0.171" 0.212" 0.280" 0.375" 0.226" 0.040" 0.375" 0.213" 0.220"
  KFB3-632-16DT-U 6-32 0.171" 0.212" 0.280" 0.500" 0.226" 0.040" 0.500" 0.213" 0.220"
  KFB3-632-20DT-U 6-32 0.171" 0.212" 0.280" 0.625" 0.226" 0.040" 0.625" 0.213" 0.220"
  KFB3-632-24DT-U 6-32 0.171" 0.212" 0.280" 0.375" 0.226" 0.040" 0.750" 0.213" 0.220"
  KFB3-632-32DT-U 6-32 0.171" 0.212" 0.280" 0.375" 0.226" 0.040" 1.000" 0.213" 0.220"
Part Numbers with "ET" Finish
  KFB3-440-2ET-U 4-40 0.122" 0.165" 0.219" 0.062" 0.179" 0.040" 0.062" 0.166" 0.170"
  KFB3-440-4ET-U 4-40 0.122" 0.165" 0.219" 0.125" 0.179" 0.040" 0.125" 0.166" 0.170"
  KFB3-440-6ET-U 4-40 0.122" 0.165" 0.219" 0.187" 0.179" 0.040" 0.187" 0.166" 0.170"
  KFB3-440-8ET-U 4-40 0.122" 0.165" 0.219" 0.250" 0.179" 0.040" 0.250" 0.166" 0.170"
  KFB3-440-10ET-U 4-40 0.122" 0.165" 0.219" 0.312" 0.179" 0.040" 0.312" 0.166" 0.170"
  KFB3-440-12ET-U 4-40 0.122" 0.165" 0.219" 0.375" 0.179" 0.040" 0.375" 0.166" 0.170"
  KFB3-440-16ET-U 4-40 0.122" 0.165" 0.219" 0.500" 0.179" 0.040" 0.500" 0.166" 0.170"
  KFB3-440-20ET-U 4-40 0.122" 0.165" 0.219" 0.625" 0.179" 0.040" 0.625" 0.166" 0.170"
 
  KFB3-632-2ET-U 6-32 0.171" 0.212" 0.280" 0.062" 0.226" 0.040" 0.062" 0.213" 0.220"
  KFB3-632-4ET-U 6-32 0.171" 0.212" 0.280" 0.125" 0.226" 0.040" 0.125" 0.213" 0.220"
  KFB3-632-6ET-U 6-32 0.171" 0.212" 0.280" 0.187" 0.226" 0.040" 0.187" 0.213" 0.220"
  KFB3-632-8ET-U 6-32 0.171" 0.212" 0.280" 0.250" 0.226" 0.040" 0.250" 0.213" 0.220"
  KFB3-632-10ET-U 6-32 0.171" 0.212" 0.280" 0.312" 0.226" 0.040" 0.312" 0.213" 0.220"
  KFB3-632-12ET-U 6-32 0.171" 0.212" 0.280" 0.375" 0.226" 0.040" 0.375" 0.213" 0.220"
  KFB3-632-16ET-U 6-32 0.171" 0.212" 0.280" 0.500" 0.226" 0.040" 0.500" 0.213" 0.220"
  KFB3-632-20ET-U 6-32 0.171" 0.212" 0.280" 0.625" 0.226" 0.040" 0.625" 0.213" 0.220"
  KFB3-632-24ET-U 6-32 0.171" 0.212" 0.280" 0.375" 0.226" 0.040" 0.750" 0.213" 0.220"
  KFB3-632-32ET-U 6-32 0.171" 0.212" 0.280" 0.375" 0.226" 0.040" 1.000" 0.213" 0.220"
Series  KFB3-U  /  Metric Sizes
      • "A" (Shank) Max.-  2.29 mm
      • Sheet Thickness-  1.27 mm - 1.65 mm
      • Fastener Material-  CDA-353 Brass
      • Mil-Spec-  N/A
      • "DT" Finish-  Electro-Plated Matte-Tin per ASTM B 545,
                             Class A with Clear Preservative Coating, Annealed
      • "ET" Finish-  Electro-Plated Bright Tin per ASTM B545,
                             Class B with Preservative Coating
Series KFB3-U
Metric Sizes
Part
Number
Thread "B" "C"
Max.
"E" "F" Minimum
Thread
Length
"K" "P" "L" Hole
Size in
Sheet
Min.
Distance
to Edge
Part Numbers with "DT" Finish
  KFB3-M3-2DT-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
2.00
mm
4.55
mm
1.00
mm
2.00
mm
4.22
mm
4.33
mm
  KFB3-M3-3DT-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
3.00
mm
4.55
mm
1.00
mm
3.00
mm
4.22
mm
4.33
mm
  KFB3-M3-4DT-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
4.00
mm
4.55
mm
1.00
mm
4.00
mm
4.22
mm
4.33
mm
  KFB3-M3-6DT-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
6.00
mm
4.55
mm
1.00
mm
6.00
mm
4.22
mm
4.33
mm
  KFB3-M3-8DT-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
8.00
mm
4.55
mm
1.00
mm
8.00
mm
4.22
mm
4.33
mm
  KFB3-M3-10DT-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
10.00
mm
4.55
mm
1.00
mm
10.00
mm
4.22
mm
4.33
mm
  KFB3-M3-12DT-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
9.50
mm
4.55
mm
1.00
mm
12.00
mm
4.22
mm
4.33
mm
  KFB3-M3-14DT-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
9.50
mm
4.55
mm
1.00
mm
14.00
mm
4.22
mm
4.33
mm
  KFB3-M3-16DT-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
9.50
mm
4.55
mm
1.00
mm
16.00
mm
4.22
mm
4.33
mm
 
  KFB3-M4-2DT-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
2.00
mm
6.68
mm
1.00
mm
2.00
mm
6.40
mm
6.36
mm
  KFB3-M4-3DT-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
3.00
mm
6.68
mm
1.00
mm
3.00
mm
6.40
mm
6.36
mm
  KFB3-M4-4DT-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
4.00
mm
6.68
mm
1.00
mm
4.00
mm
6.40
mm
6.36
mm
  KFB3-M4-6DT-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
6.00
mm
6.68
mm
1.00
mm
6.00
mm
6.40
mm
6.36
mm
  KFB3-M4-8DT-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
8.00
mm
6.68
mm
1.00
mm
8.00
mm
6.40
mm
6.36
mm
  KFB3-M4-10DT-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
10.00
mm
6.68
mm
1.00
mm
10.00
mm
6.40
mm
6.36
mm
  KFB3-M4-12DT-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
9.50
mm
6.68
mm
1.00
mm
12.00
mm
6.40
mm
6.36
mm
  KFB3-M4-14DT-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
9.50
mm
6.68
mm
1.00
mm
14.00
mm
6.40
mm
6.36
mm
  KFB3-M4-16DT-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
9.50
mm
6.68
mm
1.00
mm
16.00
mm
6.40
mm
6.36
mm
Part Numbers with "ET" Finish
  KFB3-M3-2ET-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
2.00
mm
4.55
mm
1.00
mm
2.00
mm
4.22
mm
4.33
mm
  KFB3-M3-3ET-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
3.00
mm
4.55
mm
1.00
mm
3.00
mm
4.22
mm
4.33
mm
  KFB3-M3-4ET-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
4.00
mm
4.55
mm
1.00
mm
4.00
mm
4.22
mm
4.33
mm
  KFB3-M3-6ET-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
6.00
mm
4.55
mm
1.00
mm
6.00
mm
4.22
mm
4.33
mm
  KFB3-M3-8ET-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
8.00
mm
4.55
mm
1.00
mm
8.00
mm
4.22
mm
4.33
mm
  KFB3-M3-10ET-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
10.00
mm
4.55
mm
1.00
mm
10.00
mm
4.22
mm
4.33
mm
  KFB3-M3-12ET-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
9.50
mm
4.55
mm
1.00
mm
12.00
mm
4.22
mm
4.33
mm
  KFB3-M3-14ET-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
9.50
mm
4.55
mm
1.00
mm
14.00
mm
4.22
mm
4.33
mm
  KFB3-M3-16ET-U M3 x 0.5 3.23
mm
4.20
mm
5.56
mm
9.50
mm
4.55
mm
1.00
mm
16.00
mm
4.22
mm
4.33
mm
 
  KFB3-M4-2ET-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
2.00
mm
6.68
mm
1.00
mm
2.00
mm
6.40
mm
6.36
mm
  KFB3-M4-3ET-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
3.00
mm
6.68
mm
1.00
mm
3.00
mm
6.40
mm
6.36
mm
  KFB3-M4-4ET-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
4.00
mm
6.68
mm
1.00
mm
4.00
mm
6.40
mm
6.36
mm
  KFB3-M4-6ET-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
6.00
mm
6.68
mm
1.00
mm
6.00
mm
6.40
mm
6.36
mm
  KFB3-M4-8ET-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
8.00
mm
6.68
mm
1.00
mm
8.00
mm
6.40
mm
6.36
mm
  KFB3-M4-10ET-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
10.00
mm
6.68
mm
1.00
mm
10.00
mm
6.40
mm
6.36
mm
  KFB3-M4-12ET-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
9.50
mm
6.68
mm
1.00
mm
12.00
mm
6.40
mm
6.36
mm
  KFB3-M4-14ET-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
9.50
mm
6.68
mm
1.00
mm
14.00
mm
6.40
mm
6.36
mm
  KFB3-M4-16ET-U M4 x 0.7 5.23
mm
6.33
mm
8.74
mm
9.50
mm
6.68
mm
1.00
mm
16.00
mm
6.40
mm
6.36
mm

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