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TEKTON 1/4 Inch Drive (F) x 3/8 Inch (M) Impact Adapter
1/4 Inch Drive (F) x 3/8 Inch (M) Impact Adapter. Attach an adapter to expand the range of your existing socket system. SIA04101.
1/4 Inch Drive (F) x 3/8 Inch (M) Impact Adapter. Attach an adapter to expand the range of your existing socket system. SIA04101.
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Item #SIA04101

1/4 Inch Drive (F) x 3/8 Inch (M) Impact Adapter

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Drive Size

1/4 in.
3/8 in.
1/2 in.
3/4 in.

Retention Type

Ball Detent
$4
$4.00
DetailsSpecs

Details

Tekton impact adapter #SIA04101 on a light gray background.

Expand Your Range

An adapter can help compensate for lost or broken sockets, fill in gaps for incomplete size ranges, and expand the range of your socket system.
Smooth walls support friction ring engagement, and detent pin hole supports use with detent pin anvil.

Drive Tool Retention

The adapter works with both friction ring and detent pin impact wrench anvils.
Graphic showing green check marks on friction ring anvil and detent pin anvil

50BV30 Chromium-Vanadium (Cr-V)

Carbon: 0.27 - 0.33%
Chromium: 0.30 - 0.50%
Manganese: 0.70 - 1.00%
Phosphorous: ≤0.030%
Silicon: ≤0.10%
Sulfur: ≤0.030%
Vanadium: 0.10 - 0.15%
Boron: ≥0.0005%
Iron: 97.86 - 98.47%

4140 Chromium-Molybdenum (Cr-Mo)

Carbon: 0.38 - 0.43%
Chromium: 0.80 - 1.10%
Manganese: 0.75 - 1.00%
Molybdenum: 0.15 - 0.30%
Nickel: ≤0.025%
Phosphorous: ≤0.025%
Silicon: 0.15 - 0.35%
Sulfur: ≤0.025%
Iron: 96.74 - 97.69%

6140 Chromium-Vanadium (Cr-V)

Carbon: 0.38 - 0.43%
Chromium: 0.50 - 0.70%
Manganese: 0.6 - 0.9%
Nickel: ≤0.030%
Phosphorous: ≤0.030%
Silicon: 0.15 - 0.35%
Sulfur: ≤0.030%
Vanadium: 0.10 - 0.15%
Iron: 97.38 - 98.18%

8660 Nickel-Chromium-Molybdenum (Ni-Cr-Mo)

Carbon: 0.56 - 0.64%
Chromium: 0.40 - 0.60%
Manganese: 0.75 - 1.00%
Molybdenum: 0.15 - 0.25%
Nickel: 0.40 - 0.70%
Phosphorous: ≤0.035%
Silicon: 0.15 - 0.35%
Sulfur: ≤0.04%
Vanadium: 0.15 - 0.25%
Iron: 96.13 - 97.36%

Sockets (Standard and Deep Lengths)

5/32 – 11/16 Inch Sockets
Standard: 6140 Cr-V
Deep: 50BV30 Cr-V

4 – 17 mm Sockets
Standard: 6140 Cr-V
Deep: 50BV30 Cr-V

Accessories

3 in., 6 in., and 9 in. Extensions
6140 Cr-V

Adapter
8660 Ni-Cr-Mo

Universal Joint
Ball: 8660 Ni-Cr-Mo
Socket: 4140 Cr-Mo

High-Performing Steel Alloys

Part by part, we choose the best combination of steel alloys, heat treating specifications, and forming processes to meet the highest performance requirements. All pieces have a corrosion-resistant manganese phosphate coating.
Learn More

Specs

1/4 Inch Drive (F) x 3/8 Inch (M) Impact Adapter

Specs for 1/4 Inch Drive (F) x 3/8 Inch (M) Impact Adapter
Country of Origin
Taiwan
Item Weight
0.04 lb.