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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ENGINEER PA-09 Super-Precise Crimping Tool & PA-21 (Made in Japan) Open-Barrel Crimping Pliers Featuring Higher Crimp Lug Height Capability (lugs)

ENGINEER PA-09 Super-Precise Crimping Tool & PA-21 (Made in Japan) Open-Barrel Crimping Pliers Featuring Higher Crimp Lug Height Capability (lugs)

Product ID: 359465026

Details

Brand
ENGINEER
Colour
Black Orange
Grip type
Standard

📏Crimps AWG32~AWG18 wires

🔧Supports 180+ pin types & connectors

🇯🇵Precision engineered in Japan

€ 127.77

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Description

🔩 Crimp Like a Pro, Connect Like a Boss!

WIDE WIRE COMPATIBILITY - Handles ultra-fine AWG32 up to robust AWG18 wires, covering your entire project spectrum.
ENHANCED CRIMP LUG HEIGHT - Open-barrel design with higher lug capability ensures superior pin curling and secure connections.
ERGONOMIC DURABLE BUILD - Japanese craftsmanship delivers a comfortable grip and long-lasting performance for daily heavy-duty use.
ULTRA PRECISE CRIMPING MASTERY - Achieve flawless crimps on 180+ pin types including JST, Molex & D-SUB connectors with unmatched accuracy.
COST EFFECTIVE PROFESSIONAL TOOLING - Get premium, vendor-level crimping quality at a fraction of the price—engineered for pros who know value.

The ENGINEER PA-09 and PA-21 crimping tools, made in Japan, offer professional-grade precision for over 180 pin types and wire gauges from AWG32 to AWG18. Featuring enhanced lug height for superior open-barrel crimps and ergonomic design, these tools deliver vendor-level quality at a smart price—perfect for engineers and tech-savvy professionals demanding flawless connections.

Specifications

ASIN	B099Q4J28Q
Best Sellers Rank	34,504 in DIY & Tools ( See Top 100 in DIY & Tools ) 102 in Crimpers
Brand	ENGINEER
Colour	Black, Orange,black
Grip Type	Standard
Model Number	PA-09, PA-21
Usage	Crimping JST ZH, PH, XH, SH/SHL, Molex KK, Picoblade, and other narrow-pitch connector contacts; Crimping JST XH, NH, VH, Molex Mini-Fit Jr., and other long wing type insulation barrels

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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€ 127.77

Duties & taxes included

In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ireland.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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