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Heyco® Circuit Board Selection Guide

 

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Imperial Spacing Lengths

PCB Mounting Hole Diameter Chassis Mounting Styles Series
Maximum Thickness Mounting Hole Diameter PCB End Chassis End
in. mm. in. mm. in. mm.

Flat Rest Mounts
.000 0,0 .062 1,6 .098 2,5 flat rest mount teardrop snap lock HPS-TD
.078 2,0 .125 3,2 flat rest mount arrowhead snap lock HMPS
.187 4,8 flat rest mount arrowhead snap lock HPS

For PCB's up to .062" (1,6 mm) Thick
.098 2,5 .039 1,0 .079 2,0 teardrop snap lock teardrop snap lock HSP-MDL-3
.062 1,6 .098 2,5 teardrop snap lock teardrop snap lock HDLSPTH
cupped teardrop lock cupper teardrop lock HCDLCBST
.125 3,2 bayonet snap lock 8,7 teardrop snap lock HTLSP
.125 3,2 .062 1,6 .125 3,2 two prong snap lock two prong snap lock HMSPDLN
two prong snap fit two prong snap lock HMCBP
bayonet snap lock 8,7 two prong snap lock HLSP11
.078 2,0 .125 3,2 bayonet snap lock 8,7 arrowhead snap lock HLSP9
.152 3,9 .062 1,6 .154 3,9 two prong snap lock two pront snap lock HMSPDL
two prong snap fit two prong snap lock HCBP
.157 4,0 .055 1,4 .188 4,8 bayonet snap lock 10,2 arrowhead snap lock HLSP8
.062 1,6 .157 4,0 flanged two prong snap lock flanged two prong snap lock HMSPS
two prong snap lock two prong snap lock HSP1
.187 4,8 two prong snap lock two prong snap lock HSP3
.070 1,8 .187 4,8 arrowhead snap lock arrowhead snap lock HSSL
.078 2,0 .187 4,8 bayonet snap fit 10,2 arrowhead snap lock HLSP4
bayonet snap lock 10,2 arrowhead snap lock HLSP1
arrowhead snap lock arrowhead snap lock HLSP7
bayonet snap fit 10,2 winged two prong snap lock HLSP10
bayonet snap lock 10,2 winged two prong snap lock HLSP5
.141 3,6 .187 4,8 bayonet snap lock 10,2 arrowhead snap lock HLSP2
.187 4,8 .062 1,6 .187 4,8 two prong snap lock two prong snap lock HSP2

For PCB's up to .078" (2,0 mm) Thick
.125 3,2 .078 2,0 .125 3,2 arrowhead snap lock arrowhead snap lock HDLSP4
.157 4,0 .078 2,0 .157 4,0 arrowhead snap lock arrowhead snap lock HDLSP5
.187 4,8 arrowhead snap lock arrowhead snap lock HDLSP7
.187 4,8 .078 2,0 .187 4,8 arrowhead snap lock arrowhead snap lock HDLSP6
bayonet snap lock 15,2 arrowhead snap lock HLNCBS

For PCB's up to .090" (2,3 mm) Thick
.157 4,0 .078 2,0 .187 4,8 bayonet snap lock 10,9 arrowhead snap lock HLSP3
.141 3,6 .187 4,8 bayonet snap lock 10,9 arrowhead snap lock HLSP6

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Metric Spacing Lengths

PCB Mounting Hole Diameter Chassis Mounting Styles Series
Maximum Thickness Mounting Hole Diameter PCB End Chassis End
in. mm. in. mm. in. mm.

For PCB's up to .062" (1,6 mm) Thick
.098 2,5 .062 1,6 .098 2,5 teardrop snap lock two prong snap lock HSP-MDL-AH-1
teardrop snap lock HSP-MDL-1
.141 3,6 .098 2,5 teardrop snap lock teardrop snap lock HSP-MDLS-1
.138 3,5 .062 1,6 .138 3,5 teardrop snap lock teardrop snap lock HSP-MDL-2
.141 3,6 .138 3,5 teardrop snap lock teardrop snap lock HSP-MDLS-2
.157 4,0 .062 1,6 .157 4,0 wingless arrowhead wingless arrowhead HDLSP1
.187 4,8 wingless arrowhead wingless arrowhead HDLSP3
.187 4,8 .062 1,6 .187 4,8 wingless arrowhead wingless arrowhead HDLSP2

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Reverse Locking Supports

PCB Mounting Hole Diameter Chassis Mounting Styles Spacing Series
Maximum Thickness Mounting Hole Diameter PCB End Chassis End
in. mm. in. mm. in. mm.

Flat Rest Mounts
.000 0,0 .062 1,6 .187 4,8 flat rest mount reverse button lock Imperial HLCBSC3
.187 4,8 flat rest mount reverse button lock Imperial HLCBSC11

For PCB's up to .062" (1,6 mm) Thick
.125 3,2 .062 1,6 .187 4,8 bayonet snap lock 8,7 reverse button lock Imperial HLCBSC2
two prong snap lock reverse button lock Imperial HLCBSC8
bayonet snap fit 8,7 reverse button lock Imperial HLCBSC9
.157 4,0 .047 1,2 .236 6,0 bayonet snap lock 10,2 reverse button lock Imperial HLCBSC4
bayonet snap fit 10,2 reverse button lock Imperial HLCBSC13
.062 1,6 .213 5,4 arrowhead snap lock reverse button lock Imperial HCPS
arrowhead snap lock reverse button lock Metric HLCBSC
HLCBSC10
.067 1,7 .213 5,4 bayonet snap lock 10,2 reverse button lock Imperial HLCBSC6
.250 6,4 bayonet snap lock 10,2 reverse button lock Imperial HLCBSC7
.078 2,0 .213 5,4 bayonet snap lock 10,2 reverse button lock Imperial HLCBSC5
arrowhead snap lock reverse button lock Imperial HLCBS12-2

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Blind and Key Slot Mount Supports

PCB Mounting Hole Diameter Chassis Mounting Styles Spacing Series
Maximum Thickness* Mounting Hole Diameter PCB End Chassis End
in. mm. in. mm. in. mm.

Blind Mount, for PCB's up to .062" (1,6 mm) Thick
.157 4,0 .250 6,4 .250 6,4 bayonet snap lock 10,2 blind fir tree Imperial HBS4
bayonet snap fit 10,2 blind fir tree Imperial HBS5
.312 7,9 bayonet snap lock 10,2 blind fir tree Imperial HBS
bayonet snap fit 10,2 blind fir tree Imperial HBS2

Blind Mount, for PCB's up to .078" (2,0 mm) Thick
.157 4,0 .250 6,4 .250 6,4 arrowhead snap lock blind fir tree Imperial HBS6
.312 7,9 arrowhead snap lock blind fir tree Imperial HBS3

Key Slot Mount - for PCB's up to .062" (1,6 mm) Thick

.157

 4,0 .062 1,6 .157 4,0 bayonet snap lock 10,2 key slot Imperial HKSLBN

*Minimum thickness for Blint Mount      †For Panel Thicknessess, see Rivet Table

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Self-Retaining Spacers

PCB Mounting Hole Diameter Chassis Mounting Styles Spacing Series
Maximum Thickness Mounting Hole Diameter PCB End Chassis End
in. mm. in. mm. in. mm.

For PCB's up to .062" (1,6 mm) Thick
.185 4,7 varies †† #4 M3 two prong snap lock self-tap screw #4 or M3 Imperial HSSRS4†
two prong snap lock self-tap screw #4 or M3 Imperial HSRS4
.232 5,9 varies†† #6 M3 two prong snap lock self-tap screw #6 or M3 Imperial HSSRS6†
two prong snap lock self-tap screw #6 or M3 Imperial HSRS6
#8 M4 two prong snap lock self-tap screw #8 or M4 Imperial HSSRS8†
two prong snap lock self-tap screw #8 or M4 Imperial HSRS8

†Stackable     ††Thread Depth varies with length of part.

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Screw and Lock Supports

PCB Mounting Hole Diameter Part Data Mounting Styles Spacing Series
Thread Depth Mounting Screw PCB End Chassis End
in. mm. in. mm. in. mm.

For PCB's up to .062" (1,6 mm) Thick
.157 4,0 .312 7,9 #6 bayonet snap lock 10,2 self-tap screw #6 Imperial HHCBS
varies † M4 bayonet snap lock 10,2 female thread #M4 Imperial HLCBS-TF-M4
.157 4,0 varies † M4 bayonet snap fit 10,2 female thread #M4 Imperial HCBS-TF-M4
varies † 6-32 bayonet snap lock 10,2 female thread 6-32 Imperial HLCBS-TF-632
bayonet snap fit 10,2 female thread 6-32 Imperial HCBS-TF-632

PCB Thickness Varies
.157 4,0 varies †   M3 bayonet snap lock 9,5 female thread M3 Metric HTCBS-M3-6
HTCBS-M3-8
M4 bayonet snap lock 9,5 female thread M4 Metric HTCBS-M4-8

†Thread Depth varies with length of part.

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Threaded Male Supports

PCB Mounting Hole Diameter Chassis Mounting Styles Spacing Series
Part Thread Length Mounting Hole Diameter PCB End Chassis End
in. mm. in. mm. in. mm.

For PCB's up to .062" (1,6 mm) Thick
.098 2,5 .250 6,4   M3 teardrop snap lock male thread M3 Imperial HMSCBST-M3
M4 teardrop snap lock male thread M4 Imperial HMSCBST-M4
.125 3,2 .250 6,4   M3 bayonet snap lock 8,7 male thread M3 Imperial HSCBS3
  M4 bayonet snap lock 8,7 male thread M4 Imperial HSCBS4
6-32   bayonet snap lock 8,7 male thread 6-32 Imperial HSCBS5
.152 3,9 .236 6,0   M3 two prong snap fit male thread M3 Imperial HSCBS1-M3
  M4 two prong snap fit male thread M4 Imperial HSCBS1-M4
6-32   two prong snap fit male thread 6-32 Imperial HSCBS1-632
.157 4,0 .250 6,4   M4 bayonet snap lock 10,2 male thread M4 Imperial HSCBS
8-32   bayonet snap lock 10,2 male thread 8-32 Imperial HSCBS8
.300 7,6   M4 bayonet snap lock 10,2 male thread M4 Imperial HSCBS7
6-32   bayonet snap lock 10,2 male thread 6-32 Imperial HSCBS6
6-32   .300 7,6 6-32   double threaded male - .30" (7,6 mm) thread length Imperial HCBS-TMM

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Adhesive-Back Mount Supports

PCB Mounting Hole Diameter Chassis Mounting Styles Spacing Series
Maximum Thickness Mounting Hole Diameter PCB End Chassis End
in. mm. in. mm. in. mm.
.000 0,0 .00 0,0 .00 0,0 flat rest mount adhesive-back 12,7 sq Imperial HPSBM
adhesive-back 17,8 sq Metric HPSB
.098 2,5 .00 0,0 .00 0,0 teardrop snap lock adhesive-back 12,7 sq Imperial HCBS4
.125 3,2 .00 0,0 .00 0,0 bayonet snap lock 8,7 adhesive-back 12,7 sq Imperial HCBS3
.157 4,0 .00 0,0 .00 0,0 bayonet snap lock 10,2 adhesive-back 17,8 sq Imperial HCBS
Metric HCBS-Metric
bayonet snap fit 10,2 adhesive-back 17,8 sq Imperial HCBS2

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Rivet Mount and Edge Holding Supports

PCB Mounting Hole Diameter Chassis Mounting Styles Spacing Serie
Maximum Thickness Mounting Hole Diameter PCB End Chassis End
in. mm. in. mm. in. mm.

Rivet Mount - For PCB's .062" (1,6 mm) thick
.157 4,0 varies † .165 4,2 bayonet snap lock 10,2 rivet Imperial HRLSP

Rivet Mount - For PCB's .078" (2,0 mm) thick
.187 4,8 varies † .165 4,2 arrowhead snap lock rivet Imperial HSRLAHS

Edge Holding - For PCB's up to .062" (1,6 mm) Thick
.157 4,0 varies †† 6-32   edge snap lock self-tap screw #6 Imperial HTEHCBS
.062 1,6 schematic edge snap lock reverse rectangular Imperial HRLEHCBS
.078 2,0 .187 4,8 edge snap lock arrowhead snap lock Imperial HEHCBS-7

† For Panel Thicknesses see Rivet Table page 7-28. †† Varies with length of screw.

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Threaded Hex Supports and Spacers

PCB
Mounting
Hole Dia.		 PART DATA MOUNTING STYLES SPACING SERIES
Thread Length or Depth Screw Flats PCB End CHASSIS End
in. mm.

Nylon Male/Female Threaded Hex Supports
.125 3,2 .190" 4-40 .187" 4-40 male x .187" flats 4-40 female x .187" flats Imperial MFS4
.156 4,0 .250" 6-32 .250" 6-32 male x .250" flats 6-32 female x .250" flats Imperial MFS6
.187 4,7 .375" 8-32 .375" 8-32 male x .375" flats 8-32 female x .375" flats Imperial MFS8
.141

3,6

 8,0mm M3 8,0mm M3 male x 8,0mm flats M3 female x 8,0mm flats Metric MFSM3

Nylon Tapped Hex Spacers
.096 2,4 varies† 2-56 .187" 2-56 x .187" flats 2-56 x .187" flats Imperial HST23
.125 3,2 varies† 4-40 .187" 4-40 x .187" flats 4-40 x .187" flats Imperial HST43
.250" 4-40 x .250" flats 4-40 x .250" flats Imperial HST44
.156 4,0 varies† 6-32 .187" 6-32 x .187" flats 6-32 x .187" flats Imperial HST63
.250" 6-32 x .250" flats 6-32 x .250" flats Imperial HST64
.141 3,6 varies† M3 5,0mm M3 x 5,0mm flats M3 x 5,0mm flats Metric HSTM35
.189 4,8 varies† M4 6,0mm M4 x 6,0mm flats M4 x 6,0mm flats Metric HSTM46
.275 7,0 varies† M6 10,0mm M6 x 10,0mm flats M6 x 10,0mm flats Metric HSTM61

† Varies with length of Spacers

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