Can anyone tell me how thick the jaws are on these?

The manufacturer (Engineer Inc.), have a specifications table on their product page ....http://www.engineer.jp/en/products/pa09e.html ....the column you need is the one headed Dies T(mm) (the T is short for thick)

Will these work with molex 505153 crimps?

Yes, the molex 505153 is for AWG 22-24 and this tool covers AWG 20-32. as with all small crimps it is fiddly to use and you will ruin a few connectors before you get the knack. It is not a single stage crimper. I find it best to crimp the conductor first then the insulation.

Will this crimp tool crimp connectors for the jst ach type connectors?

Having researched jst ach type connectors it is evident that the PA-09 crimp tool is suitable.

Will they work with jst sm connectors?

With practise I think yes. I have found them excellent for the price. Very small connectors are difficult unless you pay out for crimper many hundreds of pounds. Had cheaper crimper but they all went in the bin. Buy the best you can afford!

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Precision Universal Crimping Tool for Crimping Micro Crimp pins. Made in Japan. ENGINEER pa-09

Product ID: 48285694

Details

Brand
ENGINEER
Colour
Chrome
Handle material
Thermoplastic
Item weight
0.14 Kilograms
Product dimensions
17.5L x 5.7W

🔧Compatible with multiple micro crimp pins

🖐️Ergonomic TPR rubber grips

🇯🇵Precision Japanese engineering

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$113.05

Duties & taxes included

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Description

🔩 Crimp like a pro — precision, comfort, and durability in one sleek tool!

LIFETIME DURABILITY - Made in Japan with premium materials ensuring a tool that lasts a lifetime.
COMPACT LIGHTWEIGHT - Slim 17.5cm design weighing just 140g for effortless handling and portability.
ERGONOMIC COMFORT GRIP - TPR rubber handles designed for fatigue-free, professional use all day long.
COST EFFECTIVE PROFESSIONALISM - Delivers vendor-level crimping quality at a fraction of the price.
UNIVERSAL MICRO CRIMPING MASTERY - Crimps a wide range of mini & micro pins from top vendors with flawless precision.

The ENGINEER PA-09 is a precision-engineered Japanese crimping tool designed for professional-quality crimps on micro and mini crimp pins including JST, Molex, and more. Featuring ergonomic TPR grips and a compact, lightweight design, it offers universal compatibility and durability at a cost-effective price point, making it the go-to tool for millennial pros seeking flawless connections and long-term reliability.

Specifications

ASIN	B002AVVO7K
Best Sellers Rank	49,239 in DIY & Tools ( See Top 100 in DIY & Tools ) 148 in Crimpers
Brand	ENGINEER
Colour	Chrome
Country of Origin	Japan
Customer Reviews	4.7 4.7 out of 5 stars (2,426)
Global Trade Identification Number	00798256188237, 04989833035099
Grip Type	Ergonomic
Handle Material	Thermoplastic Elastomer (TPE)
Handle Type	Rubber
Included Components	ENGINEER PA-09 crimping tool
Item Dimensions L x W	17.5L x 5.7W centimetres
Item Type Name	Super-precise Crimping Tool (Made in Japan) works with AWG32-20 Open-Barrel JST ZH, PH, XH, SH/SHL, Molex KK, Picoblade and other narrow-pitch connector contacts
Item Weight	0.14 Kilograms
Manufacturer	ENGINEER
Model Number	PA-09
Part Number	PA-09
Set Name	Engineer PA-09 Universal Micro/Mini Crimping Pliers Set
Size	17.5cm x 5.7cm
Specification Met	CE
UPC	798256188237
Unit Count	1.0 count
Usage	Pro

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