YIYEIE HTW220I 1-4 Drive Torque Wrench Set User Manual

: May 15, 2024
: YIYEIE

Table of Contents

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CUSTOMER SERVICE:
General Description
Set Target Torque Reading
Wrench Operation
Maintenance And Storage
References
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**YIYEIE HTW220I 1-4 Drive Torque Wrench Set User Manual

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| Screw/Bolt/Nut| American Standard| 1 l b f . i n = 0 . 1 1 3 N . m 1 l b f . i n = 0.083 l b f . f t
---|---|---|---
| Screw Model| Screw Diameter d(mm)| BS 1768 & ASME B18.2.1①| Tightening Torque(lbf.in)
| S(“)| J(“)| Fine Thread Series(UNF)②| Coarse Thread Series(UNC)
| | | | K=0.15 ⑤| K=0.17| K=0.20| K=0.15| K=0.17| K=0.20
| #0| 1.52| | 0.05″| | | | 1.70| 1.90| 2.30
| #1| 1.85| | 1/16″| 3.00| 3.40| 4.00| 3.20| 3.60| 4.30
| #2| 2.18| | 5/64″| 5.00| 5.70| 6.70| 5.30| 6.00| 7.10
| #3| 2.51| | 5/64″| 7.60| 8.60| 10.1| 8.20| 9.20| 10.9
| #4| 2.84| | 3/32″| 10.6| 12.1| 14.2| 11.7| 13.2| 15.5
| #5| 3.18| | 3/32″| 16.0| 18.0| 21.0| 16.0| 19.0| 22.0
| #6| 3.51| | 7/64″| 20.0| 22.0| 26.0| 22.0| 25.0| 29.0
| #7| 3.84| | 1/8″| | | | | |
| #8| 4.17| | 9/64″| 36.0| 41.0| 48.0| 38.0| 43.0| 51.0
| #9| 4.50| | 5/32″| | | | | |
| #10| 4.83| | 5/32″| 52.0| 59.0| 70.0| 60.0| 68.0| 80.0
| #12| 5.49| | 11/64″| 82.0| 91.0| 110| 88.0| 100.0| 117
| 1/4″| 6.35| 7/16″| | 125| 142| 167| 143| 162| 191
| 5/16″| 7.94| 1/2″| | 258| 292| 344| 286| 324| 381
| 3/8″| 9.53| 9/16″| | 456| 516| 612| 516| 588| 696
| 7/16″| 11.11| 5/8″| | 732| 828| 972| 816| 924| 1092
| 1/2″| 12.7| 3/4″| | 1116| 1272| 1489| 1260| 1429| 1681
| 5/8″| 15.90| 13/16″| | 2149| 2437| 2857| 2521| 2857| 3361
| 3/4″| 19.05| 15/16″| | 3805| 4322| 5078| 4406| 4994| 5882
| 7/8″| 22.23| 1+1/8″| | 6134| 6963| 8187| 7023| 7959| 9364
| 1″| 25.4| 1+5/16″| | 9208| 10432| 12269| 10708| 12137| 14286
| Screw Model| Screw Diane ter d(mm)| Thread s/inch| BS 1768 & ASME B18.2.1| Fine Thread Series Screw Tightening Torque(lbf.in)| Coarse Thread Series Screw Tightening Torque(lbf.in)|
| Fine+ Coarse(T)| S(“)| J(“)| 18-8 and 316 Stainless Steel| Low Carbo n Steel| Silicon Bronze| Monel| Brass| Alumni um| 18-8 and 316 Stainless Steel| Low Carbo n Steel| Silicon Bronze| Monel| Brass| Alumni um|
| |

| | Dry| Lubricate ted| Dry| Lubricate ted
| #0| 1.52| 80| | 0.05″| | | | | | | | | | | | | | |
| #1| 1.85| 72+64| | 1/16″| | | 1.50| | | | | | | 2.00| | | | |
| #2| 2.18| 64+56| | 5/64″| 2.50| 2.30| 2.20| 2.30| 2.50| 2.00| 1.40| 2.70| 2.40| 2.70| 2.80| 3.10| 2.50| 1.70|
| #3| 2.51| 56+48| | 5/64″| 3.90| 3.50| 4.40| 3.60| 4.00| 3.20| 2.10| 4.60| 4.00| 4.00| 4.10| 4.50| 3.60| 2.40|
| #4| 2.84| 48+40| | 3/32″| 5.40| 4.90| 4.70| 4.80| 5.30| 4.30| 2.90| 5.90| 5.30| 5.90| 6.10| 6.70| 5.40| 3.60|
| #5| 3.18| 44+40| | 3/32″| 8.00| 7.20| 6.90| 7.10| 7.80| 6.30| 4.20| 8.30| 7.50| 8.50| 8.70| 9.60| 7.70| 5.10|
| #6| 3.51| 40+32| | 7/64″| 10.0| 9.00| 8.70| 8.90| 9.80| 7.90| 5.30| 11.2| 10.1| 10.9| 11.2| 12.3| 9.90| 6.60|
| #8| 4.17| 36+32| | 9/64″| 18.4| 16.5| 17.8| 18.4| 20.2| 16.2| 10.8| 19.3| 17.4| 19.8| 20.4| 22.4| 18.0| 12.0|
| #10| 4.83| 32+24| | 5/32″| 26.6| 24.0| 20.8| 21.2| 25.9| 18.6| 13.8| 30.4| 27.4| 29.7| 29.3| 34.9| 25.9| 19.2|
| #12| 5.49| 28+24| | 3/16″| | | | | | | | | | | | | | |
| 1/4″| 6.35| 28+20| 7/16″| | 63.6| 57.3| 65.0| 68.8| 85.3| 61.5| 45.6| 73.0| 65.0| 90.0| 87.0| 106| 77.0| 57.0|
| 5/16″| 7.94| 24+18| 1/2″| | 131| 118| 129| 123| 149| 107| 80.0| 145| 131| 139| 131| 160| 116| 86.0|
| 3/8″| 9.53| 24+16| 9/16″| | 233| 209| 212| 220| 267| 192| 143| 264| 238| 232| 240| 294| 212| 157|
| 7/16″| 11.11| 20+14| 5/8″| | 372| 335| 338| 349| 427| 317| 228| 415| 375| 361| 371| 451| 328| 242|
| 1/2″| 12.70| 20+13| 3/4″| | 564| 516| 465| 480| 585| 423| 312| 636| 576| 487| 504| 612| 444| 324|
| 9/16″| 14.29| 18+12| 13/16″| | 713| 682| 613| 632| 774| 558| 413| 787| 752| 668| 697| 855| 615| 456|
| 5/8″| 15.90| 18+11| 15/16″| | 1128| 1020| 1000| 1032| 1333| 912| 720| 1284| 1152| 1140| 1152| 1477| 1020| 804|
| 3/4″| 19.05| 16+10| 1+1/8″| | 1501| 1357| 1259| 1417| 1837| 1248| 984| 1681| 1513| 1230| 1381| 1789| 1224| 960|
| 7/8″| 22.23| 14+9| 1+5/16| | 2425| 2185| 1919| 2137| 2773| 1909| 1489| 2677| 2413| 1911| 2125| 2761| 1897| 1489|
| 1″| 25.40| 14+8| 1+1/2″| | 3637| 3277| 2832| 3181| 4130| 2821| 2209| 4082| 3673| 2562| 2881| 3733| 2545| 1993|
Screw Model| Screw Diameter d(mm)| ISO 4017S(mm)| DIN 933S(mm)| JIS B 1180S(mm)| ISOJ(mm)| Tightening Torque(lbf.in) ③|
4.8 ②| 6.8| 8.8| 10.9| 12.9|
| | | General Structural Steel| Steel for Mechanical Structure| Stainless Steel| Ni-Cr-Al Alloy Steel| Ni-Cr-Al Alloy Steel|
M1| 1| | 2.5| | | | | | | |
M1.2| 1.2| | 3| | | | | | | |
M1.4| 1.4| | 3| | 1.25| | | | | |
M1.6| 1.6| 3.2| 3.2| | 1.5| 0.505| 0.938| 1.24| 1.77| 2.12|
M2| 2| 4| 4| | 1.5| 1.06| 2.11| 2.82| 3.96| 4.75|
M2.5| 2.5| 5| 5| | 2| 2.17| 4.31| 5.75| 8.41| 9.74|
M3| 3| 5.5| 5.5| 5.5| 2.5| 3.84| 7.70| 10.3| 14.4| 17.4|
M3.5| 3.5| 6| 6| 6| | 6.05| 12.1| 16.1| 22.7| 27.3|
M4| 4| 7| 7| 7| 3| 8.94| 17.9| 23.9| 33.6| 40.2|
M5| 5| 8| 8| 8| 4| 18.1| 36.2| 48.4| 67.9| 81.3|
M6| 6| 10| 10| 10| 5| 30.7| 61.7| 82.1| 115| 138|
M7| 7| 11| 11| 11| | 51.8| 103| 137| 193| 232|
M8| 8| 13| 13| 13| 6| 74.5| 150| 199| 280| 336|
M10| 10| 16| 17| 17| 8| 148| 296| 394| 554| 666|
M12| 12| 18| 19| 19| 10| 258| 516| 687| 965| 1160|
M14| 14| 21| 22| 22| 10| 411| 821| 1098| 1540| 1850|
M16| 16| 24| 24| 24| 14| 640| 1284| 1717| 2399| 2877|
M18| 18| 27| 27| 27| 14| 885| 1762| 2355| 3302| 3957|
M20| 20| 30| 30| 30| 17| 1248| 2497| 3329| 4683| 5622|
M22| 22| 34| 32| 32| 17| 1700| 3400| 4524| 6374| 7658|
M24| 24| 36| 36| 36| 19| 2160| 4320| 5754| 8100| 9738|

BS 1768 & ASME B18.2.1

This is the Allen Key screw standard of the American 6 Point screw box.

Coarse and Fine Thread

Coarse threads are those with larger pitch (fewer threads per axial distance), and fine threads are those with smaller pitch (more threads per axial distance).
The common V-thread standards (ISO 261 and Unified Thread Standard) include a coarse pitch and a fine pitch for each major diameter. For example, 1⁄2-13 belongs to the UNC series (Unified National Coarse) and 1⁄2 -20 belongs to the UNF series (Unified National Fine).
Finer threads develop greater preload with less tightening torque.

Tightening Torque (liftin)

The data refer to the German DIN standard. The tightening torque in the table is set when the bolt reaches 70% of the yield limit.
In actual use, the recommended tightening torque is 70% to 80% in the table; for example: M8, grade 8.8 bolts, the recommended tightening torque is: 199 lbf·in×80%=159.2 lbf·in
Since the screw is affected by water, dust, stains, rust, etc., the loosening torque is usually greater than the tightening torque, which is 150% to 250% of the tightening torque; for example, M5, 12.9 grade bolts, the loosening torque is recommended to be set as: 81.3 lbf·in×150%~81.3 lbf·in×250%=122~203 lbf·in

Strength class 6.8:

The nominal tensile strength of the bolt material is 600 MPa;
The yield ratio of bolt material is: 0.8;
The engineering yield strength of the bolt material is: 600×0.6=240 MPa;
Grades 3.6~8.8 (including 8.8) are common bolts; Grades 8.8 and above are high-strength bolts;
In the manufacturing process, the strength level of the screw is generally marked on the topof the nut.

Torque Coefficient

K is the estimated torque coefficient
K = 0.12 when using Eco Guard™ coated nut, bolt and washer
K = 0.15 for “lubricated” conditions including Eco Guard™, some oil, tapping fluid, etc.
K = 0.17 for some anti-seize, thread lockers, and some plain conditions
K = 0.20 for zinc and dry conditions
K = 0.12 is listed for A193 B7, which would be used for some general PTFE coatings
D = Nominal Diameter
F = Clamp Load the torque values were calculated from the formula
Thus,
Torque=K×D×F

Learn more about screw torque recommendation? Just scan the QR Code to browse:

General Description

Thank you for purchasing a YIYEIE product. Manufactured to a high standard this product will, if used according to these instructions and properly maintained, give you years of trouble free performance. Your YIYEIE torque wrench is designed to repair guns, household appliances, bicycles and other small projects.
IMPORTANT : PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERA- TIONAL REQUIREMENTS, WARNINGS AND CAUTIONS. USE THIS PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY INVALIDATE THE WARRANTY. PLEASE KEEP INSTRUCTIONS SAFE FOR FUTURE USE.

Note !

Please read and understand entire manual, including all safety information, before using torque wrench. This tool is a precision measuring instrument. After 5000 times of use or one year of use. they should be calibrated by professional institutions.
This manual provides torque guidance for repair and maintenance. The data is for reference only. Please read the instructions of the project manufacturer.
Common sense is also very useful for the use of this product. If the user obviously feels that the torque has exceeded the allowable limit of the screw, please stop applying force immediately.
The wrench can not be used as a crowbar or a hammer, and its maximum bearing force is 60 lbs. • Handle with care and store properly. Do not attempt to increase leverage of this wrench with any other device. Failure to follow all instructions could result in damage to torque wrench, property damage, or injury.
At low torque settings, pull wrench slowly to observe click.
Wrench is shipped ready to use, calibrated and tested to an accuracy of +/- 3% in Clockwise direc- tion and Counterclockwise direction. To maintain this accuracy, it is important that wrench is stored with torque scale at lowest setting (10 lbf-in). This setting relieves extra tension on the internal spring, eliminating fatigue that can adversely affect accuracy.

Technical Data

Model : HTW220I
Drive : ¼” Square
Graduated Range : 10~220 liftin
Increment : 1 lbf.in
Accuracy : ± 3%
Unit : liftin + Nm
Number of Ratchet Teeth : 72T
Wrench Type : Click Torque Wrench
Torque Locking Mode : Push-pull Type
Material: 42C-Mo + Aluminum
Testing Standard : ASME B107.300-2010, ISO6789-2017

Accessories

¼” Dr. Metric Socket: used to connect 6 point nuts and bolts.
- 6-Point: 7mm, 8mm, 10mm, 11mm, 13mm, 14mm, 15mm
Bit Sockets: used to connect various screws.
- Phillips Bit Socket: PH0, PH1, PH2, PH3
- Slotted Bit Socket: SL4, SL8
- Hex Bit Socket: H2, H2.5, H3, H4, H5, H6, H7, H8, H10
- Torx Bit Socket: T8, T10, T15, T20, T25, T27, T30, T40
- Posi Bit Socket: PZ0, PZ1, PZ2, PZ3
- Robertson Square Bit Socket: S1, S2, S3
  Adapters
¼F×⅜M Adapter: used to connect the torque wrench and ⅜” drive sockets.
¼” Dr. Universal Joint: it makes the torque wrench can be better used in narrow areas.
Bit Adapter (¼F×¼H): used to connect the wrench and various ¼” hex shank bits.
Socket Adapter (¼H×¼M): used to connect your cordless drill/driver and your ¼” sockets.
Bit Holder (¼H×¼F): used to connect your cordless drill/driver and your ¼” hex shank bits.
¼” Dr. Extension Bar × 4″: when your screw is in the pit, it will be of great help

Select Socket
Select the appropriate socket or bit socket according to the nuts or screws to be tighten / loosen. (Fig-2)

Set Target Torque Reading

Understand the structure of torque wrench and learn how to adjust the set torque.

Main Handle Body
Main Toque Scale
Micrometer Scale
Torque Locking Collar
Embossed Handle

Steps:

Pull the torque locking collar backward and the embossed handle will be unlocked.
Rotate the torque locking collar clockwise (increase torque) or counterclockwise (decrease torque) until the torque setting is completed.
At this point, install the socket or bit socket, and then you can start tightening / loosening nut or screw.
When using the torque wrench, please hold the embedded handle tightly with your right hand and rotate the handle slowly until the wrench makes a “CLICK” sound. At this time, the set torque has been reached, please stop rotating immediately.
After using the torque wrench, please return to the minimum scale (10 liftin) for storage

Note!

In the process of use, just gently hold the torque wrench with your left hand. Do not press the square tenon of the head hard, otherwise the accuracy of the torque wrench will be affected.
In the process of rotation, the torque needs to be applied slowly and uniformly, not too fast.
When the set torque is reached, there will be obvious vibration between the square tenon part of
the wrench and the main handle body, accompanied by a crisp “click” sound.
When the set torque is small, the sound of “click” is also small. Please find a quiet place and listen carefully

Inch Pounds (Example reading: 200 liftin)
VIEW TOP ROW OF MICROMETER SCALE

COARSE SCALE ADJUSTMENT (Fig-4 ): Depress and hold the collar down while turning the
embossed handle until its top edge is even with the horizontal “200” mark on the main scale and the
”0” mark on the micrometer scale is centered on the vertical line of the main scale.
FINE SCALE ADJUSTMENT (Fig-5 ): The micrometer scale’s top row divides the main scale markings into 10 divisions.Every micrometer scale marking equals 1 lbf·in, also known as the minimum increment. To increase torque from 200 to 205, turn micrometer handle clockwise until the “+5” mark of the top row is centered on the vertical line of the main scale. 200 lbf·in + 5 lbf·in (micrometer scale) = 205 lbf·in.
Release collar to lock torque setting. Wrench is now set to measure 205 lbf·in of torque and ready to use
$Inch Pounds \(Example reading$

Wrench Operation

Fig-6 illustrates the basic operation of the torque wrench. For accurate operation, grasp the Embossed handle only and apply pulling force. When the desired torque setting is reached, the roller bearing and roller pin will roll over each other, causing a click you can hear and feel. NOTE: At low torque settings, click can be subtle. Use wrench in a quiet environment.

Install proper socket/attachment to square drive. Place socket on nut/bolt to be tightened.
Operate torque wrench the same as a standard socket wrench to tighten nut/bolt. As nut/bolt becomes snug, slow operation to a smooth, steady pull. Operating wrench too quickly or with too much force may cause you to miss the exact torque setting. At the instant the wrench clicks, torque
setting has been reached. Stop pulling wrench and release pressure on handle. Do not continue to pull after torque setting is reached. Doing so will overtighten the nut/bolt and could damage wrench. Once pressure is released from the handle, wrench will automatically reset for next operation. NOTE :
At low torque settings, use extra care to release wrench at the proper point after it clicks.
Wrench does not measure torque below 10 liftin and beyond 220 liftin.
Do not use wrench to break free stuck fasteners.

Maintenance And Storage

If wrench has not been used for a long period of time, operate it several times at a low torque setting. This will allow internal lubricant to recoat moving parts.
When wrench is not in use, keep adjustment at lowest torque setting:10 liftin. (Fig-7). Do not turn handle below lowest torque setting.
This wrench is a precision measuring instrument. Take care to operate wrench correctly. Store in a clean, dry environment.
Clean wrench by wiping with a clean, dry, lint-free cloth. Do not immerse in any type of liquid or cleaner. This may damage the internal components of the wrench.

Contact US
Should you have any questions about the item, or any YIYEIE tool ever fails to give complete satisfaction, save time and contact us for replacement, and our email is:

support@yiyeie.com
We are open Monday through Friday from 8:00 a.m. to 5:30 p.m. Eastern Standard-Time.
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References

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