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  • Special Screws
  • Low Profile Screws, Small Head Screws

Hex Socket Head Cap Screw with Small Head - Inch Thread

SNSS-SD(INCH)

Safety Precautions

RoHS Compliant

  • Space
SNSS-SD(INCH)Hex Socket Head Cap Screws with Small Head - Inch Thread

Dimension Drawing

SNSS-SD(INCH)Hex Socket Head Cap Screws with Small Head - Inch Thread寸法図

Specs/CAD

Select

#
Nominal of Thread
All
No.4-40UNC
No.6-32UNC
No.8-32UNC
No.10-24UNC
No.10-32UNF
1/4-20UNC
5/16-18UNC
L
All
3/16"
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
7/8"
1"
1-1/4"

Unit : inch

Part Number #
Nominal of Thread		 L D1 L1 B L2 Qty per Pack Mass
(g)		 CAD
Download		 RFQ
SNSS-#4-40-3/16-SD No.4-40UNC 3/16 0.161 0.112 3/32 Full Thread 10 0.48 CAD RFQ
SNSS-#4-40-1/4-SD No.4-40UNC 1/4 0.161 0.112 3/32 Full Thread 10 0.54 CAD RFQ
SNSS-#4-40-5/16-SD No.4-40UNC 5/16 0.161 0.112 3/32 Full Thread 10 0.60 CAD RFQ
SNSS-#4-40-3/8-SD No.4-40UNC 3/8 0.161 0.112 3/32 Full Thread 10 0.66 CAD RFQ
SNSS-#4-40-1/2-SD No.4-40UNC 1/2 0.161 0.112 3/32 Full Thread 10 0.72 CAD RFQ
SNSS-#4-40-5/8-SD No.4-40UNC 5/8 0.161 0.112 3/32 Full Thread 10 0.78 CAD RFQ
SNSS-#4-40-3/4-SD No.4-40UNC 3/4 0.161 0.112 3/32 Full Thread 10 0.84 CAD RFQ
SNSS-#6-32-1/4-SD No.6-32UNC 1/4 0.205 0.138 7/64 Full Thread 10 0.73 CAD RFQ
SNSS-#6-32-5/16-SD No.6-32UNC 5/16 0.205 0.138 7/64 Full Thread 10 0.83 CAD RFQ
SNSS-#6-32-3/8-SD No.6-32UNC 3/8 0.205 0.138 7/64 Full Thread 10 0.93 CAD RFQ
SNSS-#6-32-1/2-SD No.6-32UNC 1/2 0.205 0.138 7/64 Full Thread 10 1 CAD RFQ
SNSS-#6-32-5/8-SD No.6-32UNC 5/8 0.205 0.138 7/64 Full Thread 10 1.1 CAD RFQ
SNSS-#6-32-3/4-SD No.6-32UNC 3/4 0.205 0.138 7/64 Full Thread 10 1.2 CAD RFQ
SNSS-#6-32-7/8-SD No.6-32UNC 7/8 0.205 0.138 7/64 0.75 10 1.3 CAD RFQ
SNSS-#6-32-1-SD No.6-32UNC 1 0.205 0.138 7/64 0.75 10 1.4 CAD RFQ
SNSS-#8-32-1/4-SD No.8-32UNC 1/4 0.226 0.164 9/64 Full Thread 10 0.98 CAD RFQ
SNSS-#8-32-5/16-SD No.8-32UNC 5/16 0.226 0.164 9/64 Full Thread 10 1.1 CAD RFQ
SNSS-#8-32-3/8-SD No.8-32UNC 3/8 0.226 0.164 9/64 Full Thread 10 1.3 CAD RFQ
SNSS-#8-32-1/2-SD No.8-32UNC 1/2 0.226 0.164 9/64 Full Thread 10 1.5 CAD RFQ
SNSS-#8-32-5/8-SD No.8-32UNC 5/8 0.226 0.164 9/64 Full Thread 10 1.7 CAD RFQ
SNSS-#8-32-3/4-SD No.8-32UNC 3/4 0.226 0.164 9/64 Full Thread 10 1.9 CAD RFQ
SNSS-#8-32-7/8-SD No.8-32UNC 7/8 0.226 0.164 9/64 Full Thread 10 2.1 CAD RFQ
SNSS-#8-32-1-SD No.8-32UNC 1 0.226 0.164 9/64 0.88 10 2.3 CAD RFQ
SNSS-#10-24-1/4-SD No.10-24UNC 1/4 0.270 0.190 5/32 Full Thread 10 1.6 CAD RFQ
SNSS-#10-24-5/16-SD No.10-24UNC 5/16 0.270 0.190 5/32 Full Thread 10 1.8 CAD RFQ
SNSS-#10-24-3/8-SD No.10-24UNC 3/8 0.270 0.190 5/32 Full Thread 10 2.1 CAD RFQ
SNSS-#10-24-1/2-SD No.10-24UNC 1/2 0.270 0.190 5/32 Full Thread 10 2.3 CAD RFQ
SNSS-#10-24-5/8-SD No.10-24UNC 5/8 0.270 0.190 5/32 Full Thread 10 2.6 CAD RFQ
SNSS-#10-24-3/4-SD No.10-24UNC 3/4 0.270 0.190 5/32 Full Thread 10 2.8 CAD RFQ
SNSS-#10-24-7/8-SD No.10-24UNC 7/8 0.270 0.190 5/32 Full Thread 10 3.1 CAD RFQ
SNSS-#10-24-1-SD No.10-24UNC 1 0.270 0.190 5/32 0.88 10 3.3 CAD RFQ
SNSS-#10-32-1/4-SD No.10-32UNF 1/4 0.270 0.190 5/32 Full Thread 10 1.1 CAD RFQ
SNSS-#10-32-5/16-SD No.10-32UNF 5/16 0.270 0.190 5/32 Full Thread 10 1.5 CAD RFQ
SNSS-#10-32-3/8-SD No.10-32UNF 3/8 0.270 0.190 5/32 Full Thread 10 1.9 CAD RFQ
SNSS-#10-32-1/2-SD No.10-32UNF 1/2 0.270 0.190 5/32 Full Thread 10 2.3 CAD RFQ
SNSS-#10-32-5/8-SD No.10-32UNF 5/8 0.270 0.190 5/32 Full Thread 10 2.7 CAD RFQ
SNSS-#10-32-3/4-SD No.10-32UNF 3/4 0.270 0.190 5/32 Full Thread 10 3.1 CAD RFQ
SNSS-#10-32-7/8-SD No.10-32UNF 7/8 0.270 0.190 5/32 Full Thread 10 3.5 CAD RFQ
SNSS-#10-32-1-SD No.10-32UNF 1 0.270 0.190 5/32 0.88 10 3.9 CAD RFQ
SNSS-1/4-20-1/4-SD 1/4-20UNC 1/4 0.335 0.250 3/16 Full Thread 10 3.1 CAD RFQ
SNSS-1/4-20-5/16-SD 1/4-20UNC 5/16 0.335 0.250 3/16 Full Thread 10 3.6 CAD RFQ
SNSS-1/4-20-3/8-SD 1/4-20UNC 3/8 0.335 0.250 3/16 Full Thread 10 4.1 CAD RFQ
SNSS-1/4-20-1/2-SD 1/4-20UNC 1/2 0.335 0.250 3/16 Full Thread 10 4.6 CAD RFQ
SNSS-1/4-20-5/8-SD 1/4-20UNC 5/8 0.335 0.250 3/16 Full Thread 10 5.1 CAD RFQ
SNSS-1/4-20-3/4-SD 1/4-20UNC 3/4 0.335 0.250 3/16 Full Thread 10 5.6 CAD RFQ
SNSS-1/4-20-7/8-SD 1/4-20UNC 7/8 0.335 0.250 3/16 Full Thread 10 6.1 CAD RFQ
SNSS-1/4-20-1-SD 1/4-20UNC 1 0.335 0.250 3/16 Full Thread 10 6.6 CAD RFQ
SNSS-1/4-20-1 1/4-SD 1/4-20UNC 1-1/4 0.335 0.250 3/16 1 10 7.1 CAD RFQ
SNSS-5/16-18-1/2-SD 5/16-18UNC 1/2 0.420 0.312 1/4 Full Thread 10 7.6 CAD RFQ
SNSS-5/16-18-5/8-SD 5/16-18UNC 5/8 0.420 0.312 1/4 Full Thread 10 8.6 CAD RFQ
SNSS-5/16-18-3/4-SD 5/16-18UNC 3/4 0.420 0.312 1/4 Full Thread 10 9.6 CAD RFQ
SNSS-5/16-18-7/8-SD 5/16-18UNC 7/8 0.420 0.312 1/4 Full Thread 10 10 CAD RFQ
SNSS-5/16-18-1-SD 5/16-18UNC 1 0.420 0.312 1/4 Full Thread 10 11 CAD RFQ
SNSS-5/16-18-1 1/4-SD 5/16-18UNC 1-1/4 0.420 0.312 1/4 1.12 10 12 CAD RFQ

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Material/Finish

SNSS-SD(INCH)
Main Body Equivalent to SUS304
Strength Class A2-50

Application

Reducing the size of equipment and devices which use inch threads

Characteristics

  • Hex socket head cap screws with small head diameter. Able to reduce the spot facing diameters compared to standard hex socket head cap screws.
  • Inch screw type.
  • Install and remove by using SKH(INCH) (SKH(INCH) Dedicated Hex Key.

Usage Example

It is possible to perform spot facing and hide the head in locations
where spot facing is not possible with standard hex socket head cap screws.

SNSS-SD(INCH)Hex Socket Head Cap Screws with Small Head - Inch Thread


Precautions for Use

  • Since the head bearing surface area is small, the bearing surface pressure increases.
  • Using the following formula as a reference, ensure that the bearing surface pressure due to screw tightening does not exceed the permitted surface pressure of the intended fastening material.

SNSS-SD(INCH)Hex Socket Head Cap Screws with Small Head - Inch Thread

Screw Effective Sectional Area

Part Number Screw Effective Sectional Area (in2) Screw Effective Sectional Area (mm2)
SNSS-#4-40-SD 0.0061 3.95
SNSS-#6-32-SD 0.0092 5.95
SNSS-#8-32-SD 0.014 9.15
SNSS-#10-24-SD 0.018 11.5
SNSS-#10-32-SD 0.02 13
SNSS-1/4-20-SD 0.032 20.8
SNSS-5/16-18-SD 0.053 34.2

Related Products

Hex keys dedicated for inch threads SKH(INCH) are available. SKH(INCH)

SNSS-SD(INCH)Hex Socket Head Cap Screws with Small Head - Inch Thread


Product List

Click here to see Low Profile Screws, Small Head Screws

SNSS-SD-MO

Part Name

Socket Head Cap Screws with Small Head - MoS2 Coating

Part Number

SNSS-SD-MO

Feature

Small Head
Space-saving
Seizing
Prevention

SNSS-SD-ALK

Part Name

Socket Head Cap Screws with Small Head and Nylon Patch

Part Number

SNSS-SD-ALK

Feature

Small Head
Space-Saving
Nylon Patch

SLH-SD

Part Name

Socket Head Cap Screws with Low & Small Head

Part Number

SLH-SD

Feature

Low ProfileSmall Head
Small Space

SLH-SD-EL

Part Name

Socket Head Cap Screws with Low & Small Head

Part Number

SLH-SD-EL

Feature

Low ProfileSmall Head
Small Space

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Vacuum

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Decoration

Decoration