---
title: "Mechanical Torque Wrench Manufacturers & Suppliers"
url: https://stacklist.com/card/1e5e7761-1bb7-4ed1-97c1-00177e25eed9
source_url: "https://appliedengg.in/mechanical-torque-wrenches/"
stack: https://stacklist.com/stack/b278fdb0-ba92-4ff0-856a-a872571b2855
summary: "Mechanical Torque Wrenches: A Comprehensive Guide covers three professional torque wrench models (Dremaster DMK, DMZ, and Torcofix K) with detailed specifications, calibration standards, and technical features. All models comply with DIN EN ISO 6789:2003 Type II Class A standards with ±3% accuracy tolerance and are designed for controlled screw tightening in industrial and trade applications."
tags: "torque-wrench, mechanical-tools, calibration, din-iso-standard, industrial-equipment, specifications"
key_entities: "Dremaster DMK (technology), Dremaster DMZ (technology), Torcofix K (technology), DIN EN ISO 6789:2003 (concept), torque calibration (concept), bi-directional tightening (concept)"
classification: "reference"
content_hash: "sha256:06a9c2b3f4d6362d6664bfdd8471dc54f1f30b541fc60c1aaa1f5fe46911d6e5"
acp_version: "0.2"
token_counts_approximate: 2224
visibility: public
agent_accessible: true
status: "final"
---

# Mechanical Torque Wrench Manufacturers & Suppliers

Dremaster DMK, DMZ Features Squaredrive Classified to DIN EN ISO 6789:2003 Type II Class A, with a factory certificate allowing for operations to be traced back. Calibrated to a permitted +/- 3 % deviation and better. The specifications of the standard (+/- 4 %) are exceeded. For controlled bi-directional tightening. DMUK only for controlled clockwise-tightening Models DMK: 1/2″ mushroom head interchangeable square with push-button releasing and a Ball-locking mechanism. From Model No. DMK 400 with 3/4″ push-through square and a pin-locking mechanism Sturdy, varnished tubular steel construction, with zinc-plated ratchet head and top-grade plastic parts Ergonomically shaped plastic grip with calibration aid Change-over between N•m main scale and lbf•ft ancillary scale to avoid reading errors when setting the torque wanted With micrometer scale for main N•m scale for setting interim values Release system triggers a tactile and audible signal Ergonomic system for torque adjustment with reference symbol Provision for rapid setting with hexagon allen key, not included Secured adjusting/setting system. Download Pdf Enquiry Now a " a N·m lbf·ft N-m kg Code No. 1/2 12.5 20-100 15-75 5 N·m 1.25 2641232 DMK 100 1/2 12.5 40-200 30-150 10 N·m 1.4 2641240 DMK 200 1/2 12.5 60-300 45-220 10 N·m 1.431 2641259 DMK 300 3/4 20 80-400 60-300 10 N·m 2.488 2641267 DMK 400 3/4 20 110-550 80-405 10 N·m 3.94 2641275 DMK 550 3/4 20 150-750 110-550 10 N·m 5.02 2641283 DMK 750 3/4 20 250-850 185-630 10 N·m 5.325 2641291 DMK 850 Dreammaster DMZ Controlled screw tightening in the most common range of 20 – 850 N•m / 15 – 630 lbf•ft (guide for screws M7-10.9 to M24-8.8, M30-5.6) Adjustable, releasing and sturdy tubular torque wrench with spigot end for industry and the trades Features: Classified to DIN EN ISO 6789:2003 Type II Class A, with a factory certificate allowing for operations to be traced back. Calibrated to a permitted +/- 3 % deviation and better. The specifications of the standard (+/- 4 %) are exceeded. For controlled bi-directional tightening Sturdy, varnished tubular steel construction, with phosphate spigot end (Ø 16 mm or Ø 22 mm) and high-grade plastic parts Ergonomically shaped plastic grip with calibration aid Change-over between N•m main scale and lbf•ft ancillary scale to avoid reading errors when setting the torque wanted. With micrometer scale for main N•m scale for setting interim values Release system triggers a tactile and audible signal Ergonomic system for torque adjustment with reference symbol Provision for rapid setting with hexagon allen key, not included Secured adjusting/setting system Factory depth gauge: 32 mm (Ø 16 mm) or 56 mm (Ø 22 mm) Operation only with end fittings with standardized depth gauge – otherwise inaccuracies may arise. Depending on the application, access is possible from the front (e.g. open-end fitting) or side (e.g. reversible ratchet and socket) Download Pdf Enquiry Now Ø N·m lbf·ft N-m Scale ring kg Code No. 16 20-100 15-75 5 N·m 0,5 N·m 0.998 2641518 DMZ 100 16 40-200 30-150 10 N·m 1 N·m 1.1 2641526 DMZ 200 16 60-300 45-220 10 N·m 1 N·m 1.3 2641534 DMZ 300 16 80-400 60-300 10 N·m 1 N·m 1.79 2641542 DMZ 400 22 110-550 80-405 10 N·m 1 N·m 3.28 2641550 DMZ 550 22 150-750 110-550 10 N·m 1 N·m 4.38 2641569 DMZ 750 22 250-850 185-630 10 N·m 1 N·m 5 2641577 DMZ 850 Torcofix K Use: Controlled screw tightening in the most widely used range of 1 – 850 N•m / 0.75 – 630 lbf•ft (guide for screws M3-6.9 to M24-8.8, M30-5.6) Adjustable, releasing and sturdy tubular torque wrench with integrated ratchet and with square drive for industry and the trade Features: Classified to DIN EN ISO 6789:2003 Type II Class A, with a factory certificate. Working accuracy: +/- 3% tolerance of scale set torque. The specification of the standard (+/- 4 %) is exceeded. For controlled bi-directional tightening 1/4″, 3/8″, 1/2″ interchangeable mushroom head with ball locking device. As from 3/4″ with push through square drive with pin-locking mechanism Sturdy, varnished tubular steel construction, with zinc-plated ratchet head and top-grade plastic parts Ergonomically shaped, convenient black plastic handgrip with calibration aid Dual scale N•m and lbf•ft below a window with a magnifying-glass effect With micrometer scale for main N•m scale for setting interim values Release system triggers a tactile and audible signal Ergonomic system for torque adjustment Download Pdf Enquiry Now a " a N·m lbf·ft mm Kg Code No. 1/4 6.3 1-5 0,75-3,7 0,25 N·m 0.323 2201429 4549-00 1/4 6.3 5-25 3,7-18 1 N·m 0.45 1545132 4549-02 2/8 10 10-50 7,5-37 2,5 N·m 0.54 1545140 4549-05 1/2 12.5 20-100 15-75 5 N·m 0.9 7601530 4550-10 1/2 12.5 40-200 30-150 10 N·m 1.1 7601610 4550-20 1/2 12.5 60-300 45-220 10 N·m 1.3 7601880 4550-30 3/4 20 80-400 60-300 10 N·m 1.86 7674330 4550-40 3/4 20 110-550 80-405 10 N·m 3.56 7674760 4550-55 3/4 20 150-750 110-550 10 N·m 4.5 1521365 4550-75 3/4 20 250-850 185-630 10 N·m 4.7 1950525 4551-85 Torcoflex Adjustable, releasing and study tubular torque wrench with integrated lever ratchet and with square drive for industry and the trades. Classified to DINEN ISO 6789:2003 type || Class A, with a factory certificate working accuracy +3/-3% tolerance of scale set torque. For controlled directional tightening. Download Pdf Enquiry Now N-m a " a mm lbf·ft mm Kg Code No. 1-5 1/4 6,3 225,0 0,25 25,0 0,32 2958007 3549-00 UK 5-25 1/4 6,3 285,5 1 25,0 0,41 2958015 3549-02 UK 10-50 3/8 10,0 348,5 2,5 35,0 0,48 2958023 3549-05 UK 20-100 1/2 12,5 408,8 5 42,5 0,99 2958031 3550-10 UK 40-200 1/2 12,5 499,8 10 42,5 1,16 2958058 3550-20 UK 60-300 1/2 12,5 590,8 10 42,5 1,36 295866 3550-30 UK 80-400 3/4 20,0 737,5 10 68,0 2,10 2958074 3550-40 UK 110-550 3/4 20,0 998,0 10 68,0 3,70 2958082 3550-55 UK Torque Screwdriver Use: Controlled screw tightening in the range 0.08 – 9 N•m High-speed, controlled tightening enables serial production Electrical and electronic hardware industry, instrument-making industry and industrial manufacturing or in quality control Features: Adjustable torque screwdriver – with scale With 1/4″ female hexagon drive for use with 1/4″ hexagon bits as per DIN 3126 – C 6.3 With adapter also suitable for 1/4″ square drive sockets as per DIN 3124 Actuation accuracy: +/- 6 % tolerance of the set value Acc. to DIN EN ISO 6789, traceable to national standards Precision radial ball clutch and cam design for controlled bi-directional tightening Precision mechanism slips very noticeably through when the set torque is reached Automatic resetting to the starting position “Positive-Lock” system automatically fixes the set value preventing it from wrong setting. 4 models in the range 0.05 N•m to 9 N•m Download Pdf Enquiry Now Download Pdf Enquiry Now " a " a cN·m N·m N-m Kg Code No. 1/4 6.3 1/4 6.3 8-40 0,08-0,4 159 1 cN·m 0.124 1498738 756-00 1/4 6.3 1/4 6.3 24-120 0,24-1,2 183 1 cN·m 0.165 1400150 756-01 1/4 6.3 1/4 6.3 120-600 1,2-6 196 0,1 N·m 0.34 1400169 756-06 1/4 6.3 1/4 6.3 400-900 4-9 196 0,1 Nm 0.34 1400177 756-09 1/4 6.3 1/4 6.3 24-120 0,24-1,2 169 1 cN·m 0.165 7718050 757-01 1/4 6.3 1/4 6.3 120-600 1,2-6 184 0,1 N·m 0.4 7718130 757-06 1/4 6.3 1/4 6.3 400-900 4-9 184 0,1 Nm 0.4 7718210 757-09 Pre-set Production Torque Wrench Use: Controlled screw tightening in the range 5 – 125 N•m Serial / production-line assembling Extremely long-term work Features: Pre-set production torque wrench – without scale 1/4″, 3/8″ or 1/2″ square drive with ball locking device With integrated ratchet-function for controlled clockwise tightening Working accuracy: +/- 4 % tolerance of the set torque Acc. to DIN EN ISO 6789, traceable to national standards Precision mechanism slips very noticeably and audibly (“click”) when the pre-set value is achieved – over-tightening is not possible Automatic resetting to the starting position Lightweight yet robust and corrosion-resistant construction design Very convenient non-slip rubber handgrip The pre-setting can be made at the factory or by the user on suitable torque testers If ordering, please specify the N•m value – if a factory pre-setting is desired (price on request) EPA-conformant (Electrostatic Protected Area), for use in sensitive electrostatic applications Download Pdf Enquiry Now " a " a cN·m N·m N-m Kg Code No. 1/4 6.3 1/4 6.3 8-40 0,08-0,4 159 1 cN·m 0.124 1498738 756-00 1/4 6.3 1/4 6.3 24-120 0,24-1,2 183 1 cN·m 0.165 1400150 756-01 1/4 6.3 1/4 6.3 120-600 1,2-6 196 0,1 N·m 0.34 1400169 756-06 1/4 6.3 1/4 6.3 400-900 4-9 196 0,1 Nm 0.34 1400177 756-09 1/4 6.3 1/4 6.3 24-120 0,24-1,2 169 1 cN·m 0.165 7718050 757-01 1/4 6.3 1/4 6.3 120-600 1,2-6 184 0,1 N·m 0.4 7718130 757-06 1/4 6.3 1/4 6.3 400-900 4-9 184 0,1 Nm 0.4 7718210 757-09