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408-9442 Datasheet, PDF (1/4 Pages) TE Connectivity Ltd – Cumulative Trauma Disorders can result from the prolonged use of manually powered hand tools.
Interchangeable Crimping Dies 58373-1 and 58374-1 
(Used in Hand Crimping Tool 69710-1 and 
Pneumatic Tools 69365, 69365-2, and 69365-3)
Instruction Sheet
408-9442
06 DEC 11 Rev B
PROPER USE GUIDELINES
Cumulative Trauma Disorders can result from the prolonged use of manually powered hand tools. Hand tools are intended for occasional use
and low volume applications. A wide selection of powered application equipment for extended-use, production operations is available.
Stationary Die
Die
Holding
Screws
Wire
Range
Marking
Locator /
Insulation
Stop
holding screw. The stationary die is secured to the
stationary die holder located in the upper portion of the
tool head.
3. DIE INSTALLATION
If using the hand tool, follow the die installation steps
in Paragraph 3.1; if using any of the pneumatic tools,
follow the die installation steps in Paragraph 3.2.
3.1. Hand Tool
1. Position stationary die in stationary die holder
and moving die in moving die holder. See Figure 3.
Fasten die holding screws enough to hold dies in
place but do NOT tighten fully.
2. Close handles until the dies bottom. Then tighten
both holding screws. The tool can now be used to
crimp the contacts to wires.
NOTE
i
Check die alignment and tighten die 
holding screws.

Moving Die
Figure 1
1. INTRODUCTION
Interchangeable Crimping Die Assemblies 58373-1
and 58374-1 (see Figure 1) are designed to be used in
Hand Crimping Tool 69710-1 and Pneumatic Tools
69365, 69365-2, and 69365-3 to crimp .140 MATE-N-
LOK* loose piece pin and socket contacts listed in
Figure 2. Die set 58373-1 crimps No. 10 AWG wires
and die set 58374-1 crimps 14-12 AWG wires. Read
these instructions thoroughly before starting.
NOTE
i
Measurements are in millimeters [followed by 
inch equivalents in brackets]. Figures and
illustrations are for identification only and are 
not drawn to scale.
Reasons for reissue are provided in Section 7,
REVISION SUMMARY.
2. DESCRIPTION
Each crimping die assembly consists of a moving die
and a stationary die, as shown in Figure 1. The
moving die is positioned in the lower portion of the tool
head and is attached to the moving die holder by a die
Pin
Insulation Barrel
Wire Barrel
Stabilizer
Socket
Wire
Strip
Length†
Locator Slot
NOTE: Not to Scale
† If insulation diameter range is 2.54-3.78 [.100-.149], wire strip
length is 6.35 [.250]; if insulation diameter range is 3.81-4.06
[.150 to .160], wire strip length is 7.92 [.312].
CRIMPING
DIE PART
NUMBER
WIRE
SIZE
(AWG)
INSUL DIA
RANGE †
CRIMP
SECT
WIRE SIZE
MARKING
CONTACT PART
NUMBER
STRIP
LOOSE
PIECE
58374-1 14-12 2.54-4.06
58373-1 10 [.100-.160]
14-12
10
350200 350390
350201 350391
Figure 2
©2011 Tyco Electronics Corporation, a TE Connectivity Ltd. Company TOOLING ASSISTANCE CENTER 1-800-722-1111 This controlled document is subject to change.
All Rights Reserved
PRODUCT INFORMATION 1-800-522-6752
For latest revision and Regional Customer Service,
*Trademark
visit our website at www.te.com
TE Connectivity, TE connectivity (logo), and TE (logo) are trademarks. Other logos, product and/or Company names may be trademarks of their respective owners.
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