Teng Tools SAE Ball Point Hex Key CrMo 5/64-3/8 Inch - Individual Ball End Allen Wrench, Chrome Molybdenum, Size Marked - Choose Your Size
Hex Keys · 3901025BL
SAE Ball Point Hex Key CrMo 5/64-3/8 Inch
Individual Ball End Allen Wrench, Chrome Molybdenum, Size Marked · Choose Your Size
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Why this one
Nine inch sizes
Sold individually in nine AF sizes from 5/64 in to 3/8 in, so you choose the keys you use.
Ball point end
The ball point end on the long arm gives access at angles of up to 25°, which helps in confined spaces.
Chrome molybdenum steel
Manufactured in chrome molybdenum steel for added strength, as listed for these keys.
Marked for size
Each key is individually marked for size, so identifying the right one is easier.
Read the full description
Teng Tools chrome molybdenum ball point hex keys in AF (inch) sizes, sold individually in nine sizes from 5/64 in to 3/8 in. Choose your size above.
- Manufactured in Chrome molybdenum steel for added strength
- Ball point end on the long key end giving access at angles of up to 25°
- Ideal for use in confined spaces
- Regular hex end on the short arm giving the ability to apply higher torque
- Individually marked for size for easier identification of the right size wrench
Specifications
| Type | Ball point hex key, L shape |
| Sizes | AF (inch), 5/64 to 3/8 in |
| Material | Chrome molybdenum |
| Ball end | Up to 25° access |
Sizes
| Size | Part number |
| 5/64 in | 3901025BL |
| 3/32 in | 390103BL |
| 1/8 in | 390104BL |
| 5/32 in | 390105BL |
| 3/16 in | 390106BL |
| 7/32 in | 390107BL |
| 1/4 in | 390108BL |
| 5/16 in | 390110BL |
| 3/8 in | 390112BL |
Get it in a set
This hex keys also comes in this set, with the tools that go with it.
Specifications
| Type | Hex & TX Keys |
|---|---|
| Category | Hex Keys |
| Part number | 3901025BL |
Data sheet
Full details from Teng Tools. Download PDF
Lifetime warranty
Send a photo and your order number. Same-day shipping on replacements.
Ships from Texas
From our Fort Worth warehouse.
Questions?
Call (817) 767-3392.
Shipping
Free shipping on orders over $99. Orders are stocked, picked and shipped from our warehouse in Fort Worth, Texas — orders placed on business days ship same-day wherever possible.
Lifetime warranty
Teng Tools hand tools are backed by a lifetime warranty against manufacturing defects. Screwdriver bits and socket bits are consumables and are guaranteed to meet dimensional standards. Torque wrenches and air tools can be serviced and recalibrated on request — contact us to arrange it.
Returns
Not right for the job? Contact us within 30 days of delivery and we'll sort out a return or exchange. Tools must be unused and in their original packaging. Warranty claims are handled separately — a defective tool is our problem, not yours.
Why Teng Tools?
Swedish Design Since 1985
Trusted in 30+ countries. Designed in Sweden, built to ISO and DIN standards.
Shipped Fast from Texas
US warehouse in Fort Worth, so orders move fast. TAA approved for government and defense.
Lifetime Warranty
Something goes wrong? Send a photo and your order number — same-day shipping on replacements.
The Devil Is in the Detail
Satin-finish wrenches, through-blade screwdrivers, heavy-gauge storage — built to last.