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FAQs

Click-type (mechanical) wrenches are the workshop default — the user dials in the target torque and the wrench gives an audible click and tactile release at the set value. Reliable, robust, and fast to use. Dial-type (beam) wrenches show torque on a dial as the user pulls — slower but extremely accurate and not subject to set-point drift. Digital wrenches show torque on an LCD display with audible alerts — the most accurate, with peak-hold and angle-measurement features on premium models, but more expensive and battery-dependent. For routine workshop use, click-type covers most needs; for critical applications (engine assembly, head bolts), digital or dial.

Industry guidance recommends calibration every 12 months or every 5,000 cycles, whichever comes first. Workshops doing critical work (engine assembly, safety-critical fasteners) often calibrate every 6 months. Always store click-type wrenches at the lowest setting on the scale (back off the spring) when not in use — leaving them set high accelerates spring fatigue and accuracy drift. Calibration services are available; contact the team via WhatsApp 07754288583 for calibration arrangements.

A torque wrench applies torque directly through the operator's pull on the handle — practical up to about 800 Nm with a long lever. A torque multiplier uses an internal planetary gear set to multiply the operator's input torque by a fixed ratio (typically 4:1, 16:1, 25:1, or higher) — letting a single operator apply 1,500-7,500 Nm with a small input wrench. Used for HGV wheel nuts, large industrial bolts, and any application above the practical range of a manual wrench. The multiplier still needs an accurate input wrench to set the output torque correctly.

Trade-grade click-type wrenches are typically rated ±4% of reading across the calibrated range, dropping in accuracy at the bottom 20% of the range (use them at 25%-100% of full scale for best accuracy). Professional-spec wrenches are rated ±3%. For critical fasteners (cylinder head bolts, suspension torque-to-yield bolts), use the wrench at 50-75% of its full-scale range and re-calibrate annually. The accuracy class is listed on product pages.

Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the United Kingdom. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will typically arrange collection and replacement at no cost to you. For parts that don't fit your machine, the Fit Guarantee covers a hassle-free return at no cost. For buyer's remorse — you've changed your mind or ordered the wrong item, email us first to obtain a Return Merchandise Number; a restocking fee may apply. Refunds are issued to the original payment method once the return is inspected.

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and 'Check where we deliver' confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

Torque

Within Workshop Tools, Torque covers the workshop tools used to apply, measure, and verify torque values when tightening fasteners — torque wrenches, torque screwdrivers, torque multipliers, and the calibration and adjustment accessories used alongside them. Correct torque is critical to fastener integrity in automotive, plant, agricultural, and engineering assemblies — under-torqued fasteners loosen and fail; over-torqued fasteners stretch, distort, or strip threads. Within Torque you will find Torque Wrenches (the largest sub-category — covering click-type, dial-type, and digital torque wrenches across the workshop range from 1/4-inch drive small-fastener wrenches up to 3/4-inch and 1-inch drive heavy-duty units), Torque Screwdrivers (for low-torque precision applications — circuit boards, instrument assembly, small mechanical work), Torque Multipliers (geared multipliers that amplify operator input torque for very-high-torque work — wheel nuts on commercial vehicles, foundation bolts), and Torque Calibration accessories. Parts For Machines supplies trade-grade torque tools for automotive, agricultural, plant, and engineering workshop use. Parts For Machines is an Authorised Distributor and Seller of SIP, Sealey, and Draper across torque tools — Sealey covers the broadest range of click-type and digital torque wrenches across all common drive sizes, with Sealey's Premier range covering professional-spec wrenches with calibration certification; SIP and Draper extend the range at trade pricing. Product pages list the torque range (in Newton-metres, foot-pounds, and inch-pounds — the wrench operates accurately within its rated minimum-to-maximum range), drive size (1/4-inch, 3/8-inch, 1/2-inch, 3/4-inch, 1-inch), accuracy class (typically ±4% of reading for trade-grade, ±3% for professional-spec), length (longer wrenches give better operator control on high-torque work), and where applicable the calibration certificate availability. For workshop use, choose a torque wrench with a range that covers the typical fasteners you tighten — most workshops need a small-range 1/4 or 3/8-inch drive wrench (5-25 Nm) for engine and accessory work and a 1/2-inch drive wrench (40-200 Nm) for chassis and suspension work. For wheel-nut work on cars and vans, 60-130 Nm is typical; for HGVs and plant, 300-700 Nm wrenches or torque multipliers are needed. Trade pricing on multi-tool orders is available; contact the team via WhatsApp 07754288583.
FAQs

Click-type (mechanical) wrenches are the workshop default — the user dials in the target torque and the wrench gives an audible click and tactile release at the set value. Reliable, robust, and fast to use. Dial-type (beam) wrenches show torque on a dial as the user pulls — slower but extremely accurate and not subject to set-point drift. Digital wrenches show torque on an LCD display with audible alerts — the most accurate, with peak-hold and angle-measurement features on premium models, but more expensive and battery-dependent. For routine workshop use, click-type covers most needs; for critical applications (engine assembly, head bolts), digital or dial.

Industry guidance recommends calibration every 12 months or every 5,000 cycles, whichever comes first. Workshops doing critical work (engine assembly, safety-critical fasteners) often calibrate every 6 months. Always store click-type wrenches at the lowest setting on the scale (back off the spring) when not in use — leaving them set high accelerates spring fatigue and accuracy drift. Calibration services are available; contact the team via WhatsApp 07754288583 for calibration arrangements.

A torque wrench applies torque directly through the operator's pull on the handle — practical up to about 800 Nm with a long lever. A torque multiplier uses an internal planetary gear set to multiply the operator's input torque by a fixed ratio (typically 4:1, 16:1, 25:1, or higher) — letting a single operator apply 1,500-7,500 Nm with a small input wrench. Used for HGV wheel nuts, large industrial bolts, and any application above the practical range of a manual wrench. The multiplier still needs an accurate input wrench to set the output torque correctly.

Trade-grade click-type wrenches are typically rated ±4% of reading across the calibrated range, dropping in accuracy at the bottom 20% of the range (use them at 25%-100% of full scale for best accuracy). Professional-spec wrenches are rated ±3%. For critical fasteners (cylinder head bolts, suspension torque-to-yield bolts), use the wrench at 50-75% of its full-scale range and re-calibrate annually. The accuracy class is listed on product pages.

Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the United Kingdom. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will typically arrange collection and replacement at no cost to you. For parts that don't fit your machine, the Fit Guarantee covers a hassle-free return at no cost. For buyer's remorse — you've changed your mind or ordered the wrong item, email us first to obtain a Return Merchandise Number; a restocking fee may apply. Refunds are issued to the original payment method once the return is inspected.

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and 'Check where we deliver' confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

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