Name: Screws - Trijicon RMR / SRO and Holosun 407c / 507c - 4-40 5/16" and 1/4" - Flat Head Torx
SKU: ZpScrew440Kit
Availability: InStock

Mounting screws for:
– Trijicon RMR / SRO (5/16″)
– Holosun 407c / 507c (1/4″)
– ZP RMR Cover Plate (1/4″)

Compatible with Zaffiri Precision slide models:
– G17
– G19
– G19X
– G26
– G34
– G17L (Long)
– Sig P320c

NOT COMPATIBLE WITH G43 / G43X / G48 or Sig P365
These screws are not compatible with OEM slides.

Manufacturer’s Information:

Thread Size	4-40
Length	5/16” and 1/4″
Threading	Fully Threaded
Head Diameter	0.255″
Head Height	0.083″
Countersink Angle	82°
Drive Style	Torx Plus
Drive Size	IP10, T10
Material	Black-Oxide Alloy Steel
Hardness	Rockwell C39
Tensile Strength	140,000 psi
Screw Size Decimal Equivalent	0.112″
Thread Type	UNC
Thread Spacing	Coarse
Thread Fit	Class 3A
Thread Direction	Right Hand
Head Type	Flat
Flat Head Profile	Standard
System of Measurement	Inch
Specifications Met	ASME B18.3, ASTM F835
RoHS	RoHS 3 (2015/863/EU) Compliant
REACH	REACH (EC 1907/2006) (06/25/2020, 209 SVHC) Compliant
DFARS	Specialty Metals Compliant (252.225-7009)
Country of Origin	United States

Screws – Trijicon RMR / SRO and Holosun 407c / 507c – 4-40 5/16″ and 1/4″ – Flat Head Torx