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3/8" SQUARE DRIVE
Metric  INCH UNC/UNF INCH BSF/BSW
SIZE PITCH MODEL NO TL D OAL SIZE TPI MODEL NO TL D OAL SIZE TPI MODEL NO TL D OAL
M-5 0.80 SM10508 08 13 42 1/4 20 SUC104 8 14 42 1/4 26 SBF104 8 14 42
M-6 1.00 SM10610 08 14 42 28 SUF104 8 14 42 20 SBW104 8 14 42
M-8 1.00 SM10810 11 16 45 5/16 18 SUC105 11 16 45 5/16 22 SBF105 11 16 45
M-8 1.25 SM10812 11 16 45 24 SUF105 11 16 45 18 SBW105 11 16 45
M-10 1.25 SM11012 13 19 47 3/8 16 SUC106 13 19 47 3/8 20 SBF106 13 19 47
M-10 1.50 SM11015 13 19 47 24 SUF106 13 19 47 16 SBW106 13 19 47
 

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1/2" SQUARE DRIVE
Metric  INCH UNC/UNF INCH BSF/BSW
SIZE PITCH MODEL NO TL D OAL SIZE TPI MODEL NO TL D OAL SIZE TPI MODEL NO TL D OAL
M-5 0.80 SM20508 08 13 45 1/4 20 SUC204 8 15 45 1/4 26 SBF204 8 15 45
M-6 1.00 SM20610 08 15 45 28 SUF204 8 15 45 20 SBW204 8 15 45
M-8 1.00 SM20810 11 16 48 5/16 18 SUC205 11 16 48 5/16 22 SBF205 11 16 48
M-8 1.25 SM20812 11 16 48 24 SUF205 11 16 48 18 SBW205 11 16 48
M-10 1.25 SM21012 13 18 50 3/8 16 SUC206 13 18 50 3/8 20 SBF206 13 18 50
M-10 1.50 SM21015 13 18 50 24 SUF206 13 18 50 16 SBW206 13 18 50
M-12 1.50 SM21215 16 20 53 7/16 14 SUC207 16 20 53 7/16 18 SBF207 16 20 53
M-12 1.75 SM21217 16 20 53 20 SUF207 16 20 53 14 SBW207 16 20 53
M-14 1.50 SM21415 18 22 55 1/2 13 SUC208 16 20 53 1/2 16 SBF208 16 20 53
M-14 2.00 SM21420 18 22 55 20 SUF208 16 20 53 12 SBW208 16 20 53
M-16 1.50 SM21615 20 25 58 9/16 12 SUC209 18 22 55 9/16 16 SBF209 18 22 55
M-16 2.00 SM21620 20 25 58 18 SUF209 18 22 55 12 SBW209 18 22 55
5/8 11 SUC210 20 25 58 5/8 14 SBF210 20 25 58
18 SUF210 20 25 58 11 SBW210 20 25 58
   

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3/4" SQUARE DRIVE
Metric  INCH UNC/UNF INCH BSF/BSW
SIZE PITCH MODEL NO TL D OAL SIZE TPI MODEL NO TL D OAL SIZE TPI MODEL NO TL D OAL
M-14 1.50 SM31415 18 26 63 9/16 12 SUC309 18 26 63 9/16 16 SBF309 18 26 63
M-14 2.00 SM31420 18 26 63 18 SUF309 18 26 63 12 SBW309 18 26 63
M-16 1.50 SM31615 20 28 65 5/8 11 SUC310 20 28 65 5/8 14 SBF310 20 28 65
M-16 2.00 SM31620 20 28 65 18 SUF310 20 28 65 11 SBW310 20 28 65
M-18 2.00 SM31820 23 30 68 3/4 10 SUC312 25 32 70 3/4 12 SBF312 25 32 70
M-18 2.50 SM31825 23 30 68 16 SUF312 25 32 70 10 SBW312 25 32 70
M-20 2.00 SM32020 25 32 70 7/8 9 SUC314 27 34 72 7/8 11 SBF314 27 34 72
M-20 2.50 SM32025 25 32 70 14 SUF314 27 34 72 09 SBW314 27 34 72
M-22 2.00 SM32220 27 34 72 1 8 SUC316 30 36 75 1 10 SBF316 30 36 75
M-22 2.50 SM32225 27 34 72 12 SUF316 30 36 75 08 SBW316 30 36 75
M-24 2.00 SM32420 30 36 75 1.1/8 7 SUC318 33 40 78 1.1/8 09 SBF318 33 40 78
M-24 3.00 SM32430 30 36 75 12 SUF318 33 40 78 07 SBW318 33 40 78
M-27 3.00 SM32730 33 40 78 1.1/4 7 SUC320 36 44 81 1.1/4 09 SBF320 36 44 81
M-30 3.50 SM33035 36 44 81 12 SUF320 36 44 81 07 SBW320 36 44 81
   

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1" SQUARE DRIVE
Metric  INCH UNC/UNF INCH BSF/BSW
SIZE PITCH MODEL NO TL D OAL SIZE TPI MODEL NO TL D OAL SIZE TPI MODEL NO TL D OAL
M-18 2.00 SM41820 23 30 73 3/4 10 SUC412 25 34 75 3/4 12 SBF412 25 34 75
M-18 2.50 SM41825 23 32 73 16 SUF412 25 34 75 10 SBW412 25 34 75
M-20 2.00 SM42020 25 34 75 7/8 09 SUC414 27 36 77 7/8 11 SBF414 27 36 77
M-20 2.50 SM42025 25 34 75 14 SUF414 27 36 77 09 SBW414 27 36 77
M-22 2.00 SM42220 27 36 77 1 08 SUC416 30 38 80 1 10 SBF416 30 38 80
M-22 2.50 SM42225 27 36 77 12 SUF416 30 38 80 08 SBW416 30 38 80
M-24 2.00 SM42420 30 38 80 1.1/8 07 SUC418 33 42 83 1.1/8 09 SBF418 33 42 83
M-24 3.00 SM42430 30 38 80 12 SUF418 33 42 83 07 SBW418 33 42 83
M-27 3.00 SM42730 33 42 83 1.1/4 07 SUC420 36 45 86 1.1/4 09 SBF420 36 45 86
M-30 3.50 SM43035 36 45 86 12 SUF420 36 45 86 07 SBW420 36 45 86
M-33 3.50 SM43335 40 48 90 1.3/8 06 SUC422 45 50 95 1.3/8 08 SBF422 45 50 95
M-36 4.00 SM43640 45 50 95 12 SUF422 45 50 95 06 SBW422 45 50 95
M-39 4.00 SM43940 47 54 97 1.1/2 06 SUC424 47 54 97 1.1/2 08 SBF424 47 54 97
M-42 4.50 SM44245 50 54 100 12 SUF424 47 54 97 06 SBW424 47 54 97

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SAPSONS Stud Tighteners also known as Stud Drivers is used for speedier tightening of threaded studs with the help of an impact wrench. This is ideal for use in the assembly and maintenance of engines. The range covers stud diameters M5 to M36 (metric) & 1/4" (6.35mm) to 1.1/2" (38.1) UNF/BSF (SAE/BRITISH) in 3/8" to 1" square drives. The tool has a cross hole and groove for locking pin and ring arrangement. Stud Tighteners to suit BSW, BSF, UNC OR UNF Threaded studs also available on request as specials. Extra Deep Stud tighteners also available on request.

FEATURES:

Offered in various ranges from 3/8" to 1" Sq.Drive Sizes from M-5 to M-42 1/4" to1.1/2" in UNC/UNF/BSF/BSW

3/8" (9.5 mm)  Stud Tighteners
1/2" (12.7 mm) Stud Tighteners
3/4" (19 mm)   Stud Tighteners
1"   (25.4 mm) Stud Tighteners