
For controlled fastening in assemblies where straight tool access is limited, the Ingersoll Rand QA1L18S4SD Angle Air Nutrunner combines 1,750 RPM free speed with a 3.5 to 26.1 in-lb torque range and an adjustable shut-off clutch. The angle-head configuration helps operators reach fasteners in confined or obstructed locations, while the clutch automatically stops the fastening cycle at the preset torque point to ensure repeatable tightening.
The Ingersoll Rand QA1L18S4SD balances relatively fast fastener rundown with controlled torque delivery for compatible production joints. Its 1,750 RPM speed helps move fasteners efficiently through the rundown portion of the cycle, while the adjustable shut-off system controls final tightening within the specified range. This combination makes the tool useful for repetitive assembly operations where access, cycle efficiency, and consistent fastening results are important considerations.
Type: Angle Air Nutrunner | Model: QA1L18S4SD | Configuration: Angle | Free Speed: 1,750 RPM | Torque Range: 3.5 - 26.1 in-lbs | Clutch Type: Adjustable Shut-Off
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Features:
Made in USA: |
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Applications:
- Automotive component assembly — tightening compatible fasteners located near brackets, housings, and adjoining components.
- Appliance manufacturing — completing controlled fastening in frames, internal assemblies, and other areas with restricted straight-line access.
- Electrical and electromechanical assembly — reaching fasteners positioned inside cabinets, equipment assemblies, and confined component layouts.
- General manufacturing — performing repetitive low-torque fastening where angle-head access and automatic shut-off suit the production process.
- Assembly fixtures and workstations — accessing side-oriented or recessed fasteners that are difficult to approach with an inline fastening tool.
FAQs:
- Q: What is the advantage of the angle-head configuration on the QA1L18S4SD?
A: The angle head allows the tool to approach fasteners from a different direction than an inline nutrunner, making it useful where surrounding parts, fixtures, or limited clearance restrict straight access. - Q: How does the adjustable shut-off clutch help during assembly?
A: The clutch automatically shuts the tool off when the preset torque point is reached. This helps reduce overtightening and supports more consistent fastening across repetitive production cycles. - Q: What torque range does the Ingersoll Rand QA1L18S4SD provide?
A: The specified torque range is 3.5 to 26.1 in-lbs. The correct setting should be established according to the fastener, joint characteristics, component material, and assembly requirements. - Q: Is the 1,750 RPM rating the speed during actual fastening?
A: The 1,750 RPM specification is the tool's free speed. Actual operating speed can vary with the joint, torque demand, and compressed-air supply conditions. - Q: Does automatic shut-off eliminate the need to verify final torque?
A: No. Joint characteristics, fastener condition, component materials, socket or drive fit, and air-supply conditions can affect fastening results. Set the tool on the actual production joint and verify completed fasteners according to the required quality-control procedure.
Available Variations and Specifications
| Model | Torque Range 1 in-lbs (Nm) |
Torque Range 2 in-lbs (Nm) |
Torque Range 3 in-lbs (Nm) |
RPM | Weight lbs (kg) |
Length in (mm) |
Head Height in (mm) |
Side to Center in (mm) |
Drive in |
|---|---|---|---|---|---|---|---|---|---|
| Lever Start | |||||||||
| QA1L18S4SD | 3.5–11.5 (0.4–1.3) | 9.3–26.1 (1.05–2.95) | — | 1,750 | 1.9 (0.9) | 11.8" (300) | 0.38" (9.5) | 1.1" (28) | 1/4" |
| QA1L18S1LD | 3.5–11.5 (0.4–1.3) | 9.3–26.1 (1.05–2.95) | — | 1,750 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L12S4LD | 3.5–11.5 (0.4–1.3) | 9.3–32.2 (1.1–3.64) | — | 1,270 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L12S4SD | 3.5–11.5 (0.4–1.3) | 9.3–32.2 (1.1–3.64) | — | 1,270 | 1.9 (0.9) | 11.8" (300) | 0.38" (9.5) | 1.1" (28) | 1/4" |
| QA1L12S1LD | 3.5–11.5 (0.4–1.3) | 9.3–32.2 (1.1–3.64) | — | 1,270 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L12S9LD | 3.5–11.5 (0.4–1.3) | 9.3–32.2 (1.1–3.64) | — | 1,270 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L08S4LD | 3.5–11.5 (0.4–1.3) | 9.3–33.4 (1.05–3.77) | 15.7–47.2 (1.77–5.33) | 850 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L08S6LD | 3.5–11.5 (0.4–1.3) | 9.3–33.4 (1.05–3.77) | 15.7–47.2 (1.77–5.33) | 850 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 3/8" |
| QA1L08S1LD | 3.5–11.5 (0.4–1.3) | 9.3–33.4 (1.05–3.77) | 15.7–47.2 (1.77–5.33) | 850 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L05S4SD | 3.5–11.5 (0.4–1.3) | 9.3–36.0 (1.05–4.07) | — | 500 | 1.9 (0.9) | 11.8" (300) | 0.38" (9.5) | 1.1" (28) | 1/4" |
| QA1L05S4LD | 3.5–11.5 (0.4–1.3) | 9.3–33.4 (1.05–3.77) | 15.7–56.4 (1.77–6.37) | 500 | 2.1 (0.9) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L05S6LD | 3.5–11.5 (0.4–1.3) | 9.3–33.4 (1.05–3.77) | 15.7–56.4 (1.77–6.37) | 500 | 2.1 (0.9) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 3/8" |
| QA1L05S6XLD | 11.7–38.2 (1.32–4.32) | 31.0–88.3 (3.5–9.98) | — | 500 | 2.3 (1.04) | 13.0" (330) | 0.52" (13.2) | 1.3" (33) | 3/8" |
| QA1L05S9LD | 3.5–11.5 (0.4–1.3) | 9.3–33.4 (1.05–3.77) | 15.7–56.4 (1.77–6.37) | 500 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L05S1LD | 3.5–11.5 (0.4–1.3) | 9.3–33.4 (1.05–3.77) | 15.7–56.4 (1.77–6.37) | 500 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L05S1XLD | 11.7–38.2 (1.32–4.32) | 31.0–88.3 (3.5–9.98) | — | 500 | 2.3 (1.04) | 13.0" (330) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L02S4LD | 3.5–11.5 (0.4–1.3) | 9.3–33.4 (1.05–3.77) | 15.7–56.4 (1.77–6.37) | 250 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L02S1LD | 3.5–11.5 (0.4–1.3) | 9.3–33.4 (1.05–3.77) | 15.7–56.4 (1.77–6.37) | 250 | 2.1 (1.0) | 11.9" (302.3) | 0.52" (13.2) | 1.3" (33) | 1/4" |
| QA1L02S6XLD | 11.7–38.2 (1.32–4.32) | 31.0–101.5 (3.50–11.5) | — | 250 | 2.3 (1.04) | 13.0" (330) | 0.52" (13.2) | 1.3" (33) | 3/8" |
| QA1L02S1XLD | 11.7–38.2 (1.32–4.32) | 31.0–101.5 (3.50–11.5) | — | 250 | 2.3 (1.04) | 13.0" (330) | 0.52" (13.2) | 1.3" (33) | 1/4" |
Looking for more information about the Ingersoll Rand Nutrunner? Click here to view the Catalog
For help choosing the proper Ingersoll Rand Nutrunners for your assembly application, please email info@intlairtool.com or call (800) 608-5210
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov

