• Special Screws
  • Decoration

SRTFS-ALK-SET/Two-Hole Flat Head Machine Screws with Nylon Patch Rosette Washer Set

  • Vibration resistant treatment
  • Tamper Resistance
  • Decoration

Dimension Drawing

SRTFS-ALK-SETTwo-Hole Flat Head Machine Screws with Nylon Patch Rosette Washer Set寸法図

SRTFS-ALK-SETTwo-Hole Flat Head Machine Screws with Nylon Patch Rosette Washer Set寸法図

Specs/CAD

Select

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

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch L D1 L1 D d t Bit Part No. Screwdriver
Part No.
Qty per Pack Mass
(g)
CAD
Download
RFQ
SRTFS-M3-6-ALK-SET M3 0.5 6 5.6 1.65 10 3.5 2 SRTB-4 SRD-6.35 10 0.35 CAD RFQ
SRTFS-M3-8-ALK-SET M3 0.5 8 5.6 1.65 10 3.5 2 SRTB-4 SRD-6.35 10 0.44 CAD RFQ
SRTFS-M3-10-ALK-SET M3 0.5 10 5.6 1.65 10 3.5 2 SRTB-4 SRD-6.35 10 0.52 CAD RFQ
SRTFS-M3-12-ALK-SET M3 0.5 12 5.6 1.65 10 3.5 2 SRTB-4 SRD-6.35 10 0.62 CAD RFQ
SRTFS-M3-16-ALK-SET M3 0.5 16 5.6 1.65 10 3.5 2 SRTB-4 SRD-6.35 10 0.79 CAD RFQ
SRTFS-M3-30-ALK-SET M3 0.5 30 5.6 1.65 10 3.5 2 SRTB-4 SRD-6.35 10 1.34 CAD RFQ
SRTFS-M4-10-ALK-SET M4 0.7 10 7.5 2.2 12 4.5 2.5 SRTB-8 SRD-6.35 10 1.03 CAD RFQ
SRTFS-M4-12-ALK-SET M4 0.7 12 7.5 2.2 12 4.5 2.5 SRTB-8 SRD-6.35 10 1.16 CAD RFQ
SRTFS-M4-16-ALK-SET M4 0.7 16 7.5 2.2 12 4.5 2.5 SRTB-8 SRD-6.35 10 1.42 CAD RFQ
SRTFS-M4-20-ALK-SET M4 0.7 20 7.5 2.2 12 4.5 2.5 SRTB-8 SRD-6.35 10 1.81 CAD RFQ
SRTFS-M4-25-ALK-SET M4 0.7 25 7.5 2.2 12 4.5 2.5 SRTB-8 SRD-6.35 10 2.11 CAD RFQ
SRTFS-M4-35-ALK-SET M4 0.7 35 7.5 2.2 12 4.5 2.5 SRTB-8 SRD-6.35 10 2.82 CAD RFQ
SRTFS-M5-12-ALK-SET M5 0.8 12 9.2 2.5 14 5.5 3 SRTB-10 SRD-6.35 10 1.88 CAD RFQ
SRTFS-M5-16-ALK-SET M5 0.8 16 9.2 2.5 14 5.5 3 SRTB-10 SRD-6.35 10 2.3 CAD RFQ
SRTFS-M5-20-ALK-SET M5 0.8 20 9.2 2.5 14 5.5 3 SRTB-10 SRD-6.35 10 2.92 CAD RFQ
SRTFS-M5-25-ALK-SET M5 0.8 25 9.2 2.5 14 5.5 3 SRTB-10 SRD-6.35 10 3.61 CAD RFQ
SRTFS-M5-30-ALK-SET M5 0.8 30 9.2 2.5 14 5.5 3 SRTB-10 SRD-6.35 10 4.17 CAD RFQ
SRTFS-M5-35-ALK-SET M5 0.8 35 9.2 2.5 14 5.5 3 SRTB-10 SRD-6.35 10 4.58 CAD RFQ
SRTFS-M6-12-ALK-SET M6 1.0 12 11 3 16 6.5 3.5 SRTB-14 SRD-6.35 10 2.9 CAD RFQ
SRTFS-M6-16-ALK-SET M6 1.0 16 11 3 16 6.5 3.5 SRTB-14 SRD-6.35 10 3.89 CAD RFQ
SRTFS-M6-20-ALK-SET M6 1.0 20 11 3 16 6.5 3.5 SRTB-14 SRD-6.35 10 4.22 CAD RFQ
SRTFS-M6-25-ALK-SET M6 1.0 25 11 3 16 6.5 3.5 SRTB-14 SRD-6.35 10 4.93 CAD RFQ
SRTFS-M6-30-ALK-SET M6 1.0 30 11 3 16 6.5 3.5 SRTB-14 SRD-6.35 10 5.89 CAD RFQ
SRTFS-M6-40-ALK-SET M6 1.0 40 11 3 16 6.5 3.5 SRTB-14 SRD-6.35 10 8.01 CAD RFQ

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Related Services

Material/Finish

SRTFS-ALK-SET
Main Body Equivalent to SUS304
Nylon Patch Nylon 11
Rosette Washer SUS303
Strength Class Equivalent to A2-50

Application

Equipment/devices disassembly/tampering prevention
Theft prevention for outdoor facilities
Security measures
Safety measures
Screw return and fallout prevented

Characteristics

  • Set of two-hole flat head machine screws SRTFS-ALK and rosette washers SWAS-RW.
  • With nylon patch.
  • Countersinking is not required.
  • The friction of the nylon adhered to the thread suppresses the return rotation of the thread.
  • Even if the tightening force is lost, the return rotation is suppressed, preventing the screws from falling off.
  • The heat resistant temperature of the nylon patch is 120°C.
  • This prevents mounting and removing with regular tools. Also, since use as a set with rosette washers makes it difficult to grasp the screw directly with a tool and rotate it, theft prevention is improved.
  • Install and remove with SRTB Dedicated Bits and SRD Dedicated Magnetic Screwdriver together.
  • The simple head design is also suitable for decoration.

Related Products

SRTB applicable bits are available.SRTB

SRTFS-ALK-SETTwo-Hole Flat Head Machine Screws with Nylon Patch Rosette Washer Set

Dedicated magnetic screwdrivers SRD are available.SRD

SRTFS-ALK-SETTwo-Hole Flat Head Machine Screws with Nylon Patch Rosette Washer Set


Product List

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