NBK logo

  • Special Screws
  • Security screws, Tamper Resistant Screws

Hex Socket Flat Head Bolts (with Pin)

SRHFS

Safety Precautions

RoHS Compliant

  • Tamper Resistance
SRHFSHex Socket Flat Head Bolts (with Pin)

Dimension Drawing

SRHFSHex Socket Flat Head Bolts (with Pin)寸法図

Specs/CAD

Select

M (Coarse)
Nominal of Thread
All
M3
M4
M5
M6
M8
M10
L
All
6
8
10
12
16
20
25
30
40
50
35

Unit : mm

Part Number M (Coarse)
Nominal of Thread		 Pitch L D1 L1 B Applicable Wrench Type Applicable Bit Type Qty per Pack Mass
(g)		 CAD
Download		 RFQ
Bit Driver
SRHFS-M3-6 M3 0.5 6 6 1.75 2 SRH-2 SRHB-2 SRD-6.35 10 0.53 CAD RFQ
SRHFS-M3-8 M3 0.5 8 6 1.75 2 SRH-2 SRHB-2 SRD-6.35 10 0.61 CAD RFQ
SRHFS-M3-10 M3 0.5 10 6 1.75 2 SRH-2 SRHB-2 SRD-6.35 10 0.69 CAD RFQ
SRHFS-M3-12 M3 0.5 12 6 1.75 2 SRH-2 SRHB-2 SRD-6.35 10 0.77 CAD RFQ
SRHFS-M3-16 M3 0.5 16 6 1.75 2 SRH-2 SRHB-2 SRD-6.35 10 0.94 CAD RFQ
SRHFS-M3-20 M3 0.5 20 6 1.75 2 SRH-2 SRHB-2 SRD-6.35 10 1.1 CAD RFQ
SRHFS-M3-25 M3 0.5 25 6 1.75 2 SRH-2 SRHB-2 SRD-6.35 10 1.4 CAD RFQ
SRHFS-M4-8 M4 0.7 8 8 2.3 2.5 SRH-2.5 SRHB-2.5 SRD-6.35 10 1.2 CAD RFQ
SRHFS-M4-10 M4 0.7 10 8 2.3 2.5 SRH-2.5 SRHB-2.5 SRD-6.35 10 1.4 CAD RFQ
SRHFS-M4-12 M4 0.7 12 8 2.3 2.5 SRH-2.5 SRHB-2.5 SRD-6.35 10 1.5 CAD RFQ
SRHFS-M4-16 M4 0.7 16 8 2.3 2.5 SRH-2.5 SRHB-2.5 SRD-6.35 10 1.8 CAD RFQ
SRHFS-M4-20 M4 0.7 20 8 2.3 2.5 SRH-2.5 SRHB-2.5 SRD-6.35 10 2.2 CAD RFQ
SRHFS-M4-25 M4 0.7 25 8 2.3 2.5 SRH-2.5 SRHB-2.5 SRD-6.35 10 2.5 CAD RFQ
SRHFS-M4-30 M4 0.7 30 8 2.3 2.5 SRH-2.5 SRHB-2.5 SRD-6.35 10 2.9 CAD RFQ
SRHFS-M5-8 M5 0.8 8 10 2.8 3 SRH-3 SRHB-3 SRD-6.35 10 2.3 CAD RFQ
SRHFS-M5-10 M5 0.8 10 10 2.8 3 SRH-3 SRHB-3 SRD-6.35 10 2.5 CAD RFQ
SRHFS-M5-12 M5 0.8 12 10 2.8 3 SRH-3 SRHB-3 SRD-6.35 10 2.7 CAD RFQ
SRHFS-M5-16 M5 0.8 16 10 2.8 3 SRH-3 SRHB-3 SRD-6.35 10 3.2 CAD RFQ
SRHFS-M5-20 M5 0.8 20 10 2.8 3 SRH-3 SRHB-3 SRD-6.35 10 3.7 CAD RFQ
SRHFS-M5-25 M5 0.8 25 10 2.8 3 SRH-3 SRHB-3 SRD-6.35 10 4.2 CAD RFQ
SRHFS-M5-30 M5 0.8 30 10 2.8 3 SRH-3 SRHB-3 SRD-6.35 10 4.8 CAD RFQ
SRHFS-M5-40 M5 0.8 40 10 2.8 3 SRH-3 SRHB-3 SRD-6.35 10 6 CAD RFQ
SRHFS-M5-50 M5 0.8 50 10 2.8 3 SRH-3 SRHB-3 SRD-6.35 10 7.4 CAD RFQ
SRHFS-M6-10 M6 1 10 12 3.4 4 SRH-4 SRHB-4 SRD-6.35 10 3.9 CAD RFQ
SRHFS-M6-12 M6 1 12 12 3.4 4 SRH-4 SRHB-4 SRD-6.35 10 4.3 CAD RFQ
SRHFS-M6-16 M6 1 16 12 3.4 4 SRH-4 SRHB-4 SRD-6.35 10 5 CAD RFQ
SRHFS-M6-20 M6 1 20 12 3.4 4 SRH-4 SRHB-4 SRD-6.35 10 5.7 CAD RFQ
SRHFS-M6-25 M6 1 25 12 3.4 4 SRH-4 SRHB-4 SRD-6.35 10 6.5 CAD RFQ
SRHFS-M6-30 M6 1 30 12 3.4 4 SRH-4 SRHB-4 SRD-6.35 10 7.4 CAD RFQ
SRHFS-M6-35 M6 1 35 12 3.4 4 SRH-4 SRHB-4 SRD-6.35 10 8.3 CAD RFQ
SRHFS-M6-40 M6 1 40 12 3.4 4 SRH-4 SRHB-4 SRD-6.35 10 9.1 CAD RFQ
SRHFS-M6-50 M6 1 50 12 3.4 4 SRH-4 SRHB-4 SRD-6.35 10 12 CAD RFQ
SRHFS-M8-10 M8 1.25 10 16 4.7 5 SRH-5 SRHB-5 SRD-6.35 10 9 CAD RFQ
SRHFS-M8-12 M8 1.25 12 16 4.7 5 SRH-5 SRHB-5 SRD-6.35 10 9 CAD RFQ
SRHFS-M8-16 M8 1.25 16 16 4.7 5 SRH-5 SRHB-5 SRD-6.35 10 11 CAD RFQ
SRHFS-M8-20 M8 1.25 20 16 4.7 5 SRH-5 SRHB-5 SRD-6.35 10 12 CAD RFQ
SRHFS-M8-25 M8 1.25 25 16 4.7 5 SRH-5 SRHB-5 SRD-6.35 10 13 CAD RFQ
SRHFS-M8-30 M8 1.25 30 16 4.7 5 SRH-5 SRHB-5 SRD-6.35 10 15 CAD RFQ
SRHFS-M8-35 M8 1.25 35 16 4.7 5 SRH-5 SRHB-5 SRD-6.35 10 17 CAD RFQ
SRHFS-M8-40 M8 1.25 40 16 4.7 5 SRH-5 SRHB-5 SRD-6.35 10 18 CAD RFQ
SRHFS-M8-50 M8 1.25 50 16 4.7 5 SRH-5 SRHB-5 SRD-6.35 10 23 CAD RFQ
SRHFS-M10-25 M10 1.5 25 18.3 5.6 6 SRH-6 SRHB-6 SRD-6.35 10 19 CAD RFQ
SRHFS-M10-30 M10 1.5 30 18.3 5.6 6 SRH-6 SRHB-6 SRD-6.35 10 23 CAD RFQ
SRHFS-M10-40 M10 1.5 40 18.3 5.6 6 SRH-6 SRHB-6 SRD-6.35 10 29 CAD RFQ

No products fulfill the conditions above.

We regret to inform you that no products fulfill the conditions you have entered.
Please change the values you have entered and search once again.

Nabeya Bi-tech Kaisha offers customized products in accordance with your needs.
Please feel free to contact us via the inquiry form.

Nabeya Bi-tech Kaisha
Customer Service

Please enter questions about customization and other product-related inquiries here.

Find the inquiry form here
● When purchasing less volume than one full bag, a separate handling fee is charged. For details, see the Sold Separately Service.

Related Services

Material/Finish

SRHFS
Main Body Equivalent to SUS304
Strength Class Equivalent to A2-50

Application

Machinery / Tools / Equipment / Devices disassembly prevention/ Tampering prevention / Theft prevention for outdoor facilities /
Security measures / Safety measures

Characteristics

  • Flat head bolts with pin at the center of their socket.
  • This prevents mounting and removing with regular tools.
  • Install and remove with SRH Dedicated Wrench or SRHB Dedicated Bit and SRD Dedicated Magnetic Screwdriver together.

Related Products

SRH dedicated wrenches are available.
SRH

SRHFSHex Socket Flat Head Bolts (with Pin)

SRHB applicable bits are available.
SRHB

SRHFSHex Socket Flat Head Bolts (with Pin)

Dedicated magnetic screwdrivers SRD are available.
SRD

SRHFSHex Socket Flat Head Bolts (with Pin)


Product List

Click here to see Security screws, Tamper Resistant Screws

SRSAS

Part Name

Button Head Cap Screws with Three-Lobe Holes (with Pin)

Part Number

SRSAS

Feature

Three-Lobe Holes
(with Pin)

SRTRS

Part Name

Triangular Socket Button Head Cap Screws

Part Number

SRTRS

Feature

Triangular Socket

SRWFS

Part Name

Triwing Flat Head Machine Screws

Part Number

SRWFS

Feature

Triwing

SRGS

Part Name

Button Head Cap Screws with Five-Lobe Holes (with Pin)

Part Number

SRGS

Feature

Five-Lobe Holes
(with Pin)

Click here to see Special Screws

Galling & Seizing Prevention

Galling & Seizing Prevention

Plastic Screws

Plastic Screws

Anti-Reflective

Anti-Reflective

Hex Head Screws

Hex Head Screws