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Parallel Key

Also known as / standards: Parallel Key · Square Key · Woodruff Key · DIN 6885 · DIN 6885 AB · FORM AB · ROUND END KEY · DIN 6885-1 · ISO 773 · ISO 2491 · JIS B 1301 · CNS 169 · CNS 170 · CNS 175

2137 items。🔍 Filter in the interactive catalog

About Parallel Key

Keys transmit torque between a shaft and a hub through matching keyways — the cheapest and most common shaft-hub connection.

Also known as Parallel Key · Square Key · Woodruff Key · DIN 6885

Standards DIN 6885-1 · ISO 773 · ISO 2491 · DIN 6885 · JIS B 1301 · CNS 169 · CNS 170 · CNS 175 · ASME B18.25.1M

S45C medium carbon steel
The standard, strong and inexpensive.
304 stainless
Food machinery and wet environments.
316 stainless
Chemical and marine service.

How to choose

Size charts and tools

Parallel Keys / Single-Round-End / Round-End / Woodruff Keys: End Shapes and Stock in TaiwanS45C Steel Double Round-End Key size chart (716 sizes)S45C Steel Single Round-End Key size chart (649 sizes)SS304 Double Round-End Key size chart (252 sizes)SS304 Single Round-End Key size chart (225 sizes)S45C Steel Parallel Key size chart (156 sizes)SS304 Parallel Key size chart (106 sizes)Carbon Steel Woodruff Key size chart (24 sizes)

SS316 Parallel Key(1 items)

SS316 Square Key 4*4*50

S45C Steel Double Round-End Key(715 items)

S45C Steel Double Round-End Key 10*10*100S45C Steel Double Round-End Key 10*10*105S45C Steel Double Round-End Key 10*10*110S45C Steel Double Round-End Key 10*10*115S45C Steel Double Round-End Key 10*10*120S45C Steel Double Round-End Key 10*10*125S45C Steel Double Round-End Key 10*10*130S45C Steel Double Round-End Key 10*10*135S45C Steel Double Round-End Key 10*10*140S45C Steel Double Round-End Key 10*10*145S45C Steel Double Round-End Key 10*10*15S45C Steel Double Round-End Key 10*10*150S45C Steel Double Round-End Key 10*10*16S45C Steel Double Round-End Key 10*10*160S45C Steel Double Round-End Key 10*10*170S45C Steel Double Round-End Key 10*10*18S45C Steel Double Round-End Key 10*10*180S45C Steel Double Round-End Key 10*10*190S45C Steel Double Round-End Key 10*10*20S45C Steel Double Round-End Key 10*10*200S45C Steel Double Round-End Key 10*10*25S45C Steel Double Round-End Key 10*10*28S45C Steel Double Round-End Key 10*10*30S45C Steel Double Round-End Key 10*10*35S45C Steel Double Round-End Key 10*10*40S45C Steel Double Round-End Key 10*10*45S45C Steel Double Round-End Key 10*10*50S45C Steel Double Round-End Key 10*10*55S45C Steel Double Round-End Key 10*10*60S45C Steel Double Round-End Key 10*10*65S45C Steel Double Round-End Key 10*10*70S45C Steel Double Round-End Key 10*10*75S45C Steel Double Round-End Key 10*10*80S45C Steel Double Round-End Key 10*10*85S45C Steel Double Round-End Key 10*10*90S45C Steel Double Round-End Key 10*10*95S45C Steel Double Round-End Key 10*8*100S45C Steel Double Round-End Key 10*8*105S45C Steel Double Round-End Key 10*8*110S45C Steel Double Round-End Key 10*8*115S45C Steel Double Round-End Key 10*8*120S45C Steel Double Round-End Key 10*8*125S45C Steel Double Round-End Key 10*8*130S45C Steel Double Round-End Key 10*8*135S45C Steel Double Round-End Key 10*8*140S45C Steel Double Round-End Key 10*8*145S45C Steel Double Round-End Key 10*8*15S45C Steel Double Round-End Key 10*8*150S45C Steel Double Round-End Key 10*8*155S45C Steel Double Round-End Key 10*8*16S45C Steel Double Round-End Key 10*8*160S45C Steel Double Round-End Key 10*8*170S45C Steel Double Round-End Key 10*8*18S45C Steel Double Round-End Key 10*8*180S45C Steel Double Round-End Key 10*8*190S45C Steel Double Round-End Key 10*8*20S45C Steel Double Round-End Key 10*8*200S45C Steel Double Round-End Key 10*8*22S45C Steel Double Round-End Key 10*8*25S45C Steel Double Round-End Key 10*8*28…see all 715 items →

SS304 Double Round-End Key(252 items)

SS304 Double Round-End Key 10*10*100SS304 Double Round-End Key 10*10*18SS304 Double Round-End Key 10*10*20SS304 Double Round-End Key 10*10*25SS304 Double Round-End Key 10*10*30SS304 Double Round-End Key 10*10*35SS304 Double Round-End Key 10*10*40SS304 Double Round-End Key 10*10*45SS304 Double Round-End Key 10*10*50SS304 Double Round-End Key 10*10*55SS304 Double Round-End Key 10*10*60SS304 Double Round-End Key 10*10*65SS304 Double Round-End Key 10*10*70SS304 Double Round-End Key 10*10*75SS304 Double Round-End Key 10*10*80SS304 Double Round-End Key 10*10*85SS304 Double Round-End Key 10*10*90SS304 Double Round-End Key 10*8*100SS304 Double Round-End Key 10*8*15SS304 Double Round-End Key 10*8*18SS304 Double Round-End Key 10*8*20SS304 Double Round-End Key 10*8*25SS304 Double Round-End Key 10*8*30SS304 Double Round-End Key 10*8*35SS304 Double Round-End Key 10*8*38SS304 Double Round-End Key 10*8*40SS304 Double Round-End Key 10*8*45SS304 Double Round-End Key 10*8*50SS304 Double Round-End Key 10*8*55SS304 Double Round-End Key 10*8*60SS304 Double Round-End Key 10*8*65SS304 Double Round-End Key 10*8*70SS304 Double Round-End Key 10*8*75SS304 Double Round-End Key 10*8*80SS304 Double Round-End Key 10*8*85SS304 Double Round-End Key 10*8*90SS304 Double Round-End Key 12*8*100SS304 Double Round-End Key 12*8*20SS304 Double Round-End Key 12*8*25SS304 Double Round-End Key 12*8*30SS304 Double Round-End Key 12*8*35SS304 Double Round-End Key 12*8*40SS304 Double Round-End Key 12*8*45SS304 Double Round-End Key 12*8*50SS304 Double Round-End Key 12*8*55SS304 Double Round-End Key 12*8*60SS304 Double Round-End Key 12*8*65SS304 Double Round-End Key 12*8*70SS304 Double Round-End Key 12*8*75SS304 Double Round-End Key 12*8*80SS304 Double Round-End Key 12*8*85SS304 Double Round-End Key 12*8*90SS304 Double Round-End Key 14*8*40SS304 Double Round-End Key 14*9*100SS304 Double Round-End Key 14*9*25SS304 Double Round-End Key 14*9*30SS304 Double Round-End Key 14*9*35SS304 Double Round-End Key 14*9*40SS304 Double Round-End Key 14*9*45SS304 Double Round-End Key 14*9*50…see all 252 items →

INCH S45C Steel Double Round-End Key(2 items)

S45C Steel Double Round-End Key 3/16"*55mmS45C Steel Double Round-End Key 3/4"*3/4"*2-1/2"

S45C Steel Single Round-End Key(643 items)

S45C Steel Single Round-End Key 10*10*100S45C Steel Single Round-End Key 10*10*105S45C Steel Single Round-End Key 10*10*110S45C Steel Single Round-End Key 10*10*115S45C Steel Single Round-End Key 10*10*120S45C Steel Single Round-End Key 10*10*125S45C Steel Single Round-End Key 10*10*130S45C Steel Single Round-End Key 10*10*135S45C Steel Single Round-End Key 10*10*140S45C Steel Single Round-End Key 10*10*145S45C Steel Single Round-End Key 10*10*15S45C Steel Single Round-End Key 10*10*150S45C Steel Single Round-End Key 10*10*16S45C Steel Single Round-End Key 10*10*160S45C Steel Single Round-End Key 10*10*170S45C Steel Single Round-End Key 10*10*18S45C Steel Single Round-End Key 10*10*180S45C Steel Single Round-End Key 10*10*190S45C Steel Single Round-End Key 10*10*20S45C Steel Single Round-End Key 10*10*200S45C Steel Single Round-End Key 10*10*25S45C Steel Single Round-End Key 10*10*28S45C Steel Single Round-End Key 10*10*30S45C Steel Single Round-End Key 10*10*35S45C Steel Single Round-End Key 10*10*40S45C Steel Single Round-End Key 10*10*45S45C Steel Single Round-End Key 10*10*50S45C Steel Single Round-End Key 10*10*55S45C Steel Single Round-End Key 10*10*60S45C Steel Single Round-End Key 10*10*65S45C Steel Single Round-End Key 10*10*70S45C Steel Single Round-End Key 10*10*75S45C Steel Single Round-End Key 10*10*80S45C Steel Single Round-End Key 10*10*85S45C Steel Single Round-End Key 10*10*90S45C Steel Single Round-End Key 10*10*95S45C Steel Single Round-End Key 10*8*100S45C Steel Single Round-End Key 10*8*105S45C Steel Single Round-End Key 10*8*110S45C Steel Single Round-End Key 10*8*115S45C Steel Single Round-End Key 10*8*120S45C Steel Single Round-End Key 10*8*125S45C Steel Single Round-End Key 10*8*130S45C Steel Single Round-End Key 10*8*135S45C Steel Single Round-End Key 10*8*140S45C Steel Single Round-End Key 10*8*145S45C Steel Single Round-End Key 10*8*15S45C Steel Single Round-End Key 10*8*150S45C Steel Single Round-End Key 10*8*16S45C Steel Single Round-End Key 10*8*160S45C Steel Single Round-End Key 10*8*170S45C Steel Single Round-End Key 10*8*18S45C Steel Single Round-End Key 10*8*180S45C Steel Single Round-End Key 10*8*190S45C Steel Single Round-End Key 10*8*20S45C Steel Single Round-End Key 10*8*200S45C Steel Single Round-End Key 10*8*25S45C Steel Single Round-End Key 10*8*28S45C Steel Single Round-End Key 10*8*30S45C Steel Single Round-End Key 10*8*35…see all 643 items →

SS304 Single Round-End Key(225 items)

SS304 Single Round-End Key 10*10*100SS304 Single Round-End Key 10*10*18SS304 Single Round-End Key 10*10*20SS304 Single Round-End Key 10*10*25SS304 Single Round-End Key 10*10*30SS304 Single Round-End Key 10*10*35SS304 Single Round-End Key 10*10*40SS304 Single Round-End Key 10*10*45SS304 Single Round-End Key 10*10*50SS304 Single Round-End Key 10*10*55SS304 Single Round-End Key 10*10*60SS304 Single Round-End Key 10*10*65SS304 Single Round-End Key 10*10*70SS304 Single Round-End Key 10*10*75SS304 Single Round-End Key 10*10*80SS304 Single Round-End Key 10*10*85SS304 Single Round-End Key 10*10*90SS304 Single Round-End Key 10*8*100SS304 Single Round-End Key 10*8*15SS304 Single Round-End Key 10*8*18SS304 Single Round-End Key 10*8*20SS304 Single Round-End Key 10*8*25SS304 Single Round-End Key 10*8*30SS304 Single Round-End Key 10*8*35SS304 Single Round-End Key 10*8*40SS304 Single Round-End Key 10*8*45SS304 Single Round-End Key 10*8*50SS304 Single Round-End Key 10*8*55SS304 Single Round-End Key 10*8*60SS304 Single Round-End Key 10*8*65SS304 Single Round-End Key 10*8*70SS304 Single Round-End Key 10*8*75SS304 Single Round-End Key 10*8*80SS304 Single Round-End Key 10*8*85SS304 Single Round-End Key 10*8*90SS304 Single Round-End Key 12*8*100SS304 Single Round-End Key 12*8*20SS304 Single Round-End Key 12*8*25SS304 Single Round-End Key 12*8*30SS304 Single Round-End Key 12*8*35SS304 Single Round-End Key 12*8*40SS304 Single Round-End Key 12*8*45SS304 Single Round-End Key 12*8*50SS304 Single Round-End Key 12*8*55SS304 Single Round-End Key 12*8*60SS304 Single Round-End Key 12*8*65SS304 Single Round-End Key 12*8*70SS304 Single Round-End Key 12*8*75SS304 Single Round-End Key 12*8*80SS304 Single Round-End Key 12*8*85SS304 Single Round-End Key 12*8*90SS304 Single Round-End Key 14*9*100SS304 Single Round-End Key 14*9*25SS304 Single Round-End Key 14*9*30SS304 Single Round-End Key 14*9*35SS304 Single Round-End Key 14*9*40SS304 Single Round-End Key 14*9*45SS304 Single Round-End Key 14*9*50SS304 Single Round-End Key 14*9*55SS304 Single Round-End Key 14*9*60…see all 225 items →

SS316 Single Round-End Key(2 items)

" SS316 " Single Round-End Key 5*5*20" SS316 " Single Round-End Key 5*5*25

" Heat Treated " S45C Steel Single Round-End Key(1 items)

" Heat Treated " S45C Steel Single Round-End Key 18*11*40

INCH S45C Steel Single Round-End Key(6 items)

S45C Steel Single Round-End Key 1/4"*1/4"*16S45C Steel Single Round-End Key 1/4"*1/4"*15S45C Steel Single Round-End Key 1/8"*1/8"*1"S45C Steel Single Round-End Key 3/16"*3/16"*1"S45C Steel Single Round-End Key 3/16"*3/16"*2"S45C Steel Single Round-End Key 3/4"*9/16"*166.7

S45C Steel Parallel Key Bar Stock(129 items)

S45C Steel Parallel Key 10*10*300S45C Steel Parallel Key 10*5*300S45C Steel Parallel Key 10*6*300S45C Steel Parallel Key 10*7*300S45C Steel Parallel Key 10*8*300S45C Steel Parallel Key 10*9*300S45C Steel Parallel Key 12*10*300S45C Steel Parallel Key 12*12*300S45C Steel Parallel Key 12*5*300S45C Steel Parallel Key 12*6*300S45C Steel Parallel Key 12*7*300S45C Steel Parallel Key 12*8*300S45C Steel Parallel Key 12*9*300S45C Steel Parallel Key 13*10*300S45C Steel Parallel Key 13*13*300S45C Steel Parallel Key 14*10*300S45C Steel Parallel Key 14*11*300S45C Steel Parallel Key 14*12*300S45C Steel Parallel Key 14*14*300S45C Steel Parallel Key 14*7*300S45C Steel Parallel Key 14*8*300S45C Steel Parallel Key 14*9*300S45C Steel Parallel Key 15*10*300S45C Steel Parallel Key 15*12*300S45C Steel Parallel Key 15*13*300S45C Steel Parallel Key 15*14*300S45C Steel Parallel Key 15*15*300S45C Steel Parallel Key 15*5*300S45C Steel Parallel Key 15*6*300S45C Steel Parallel Key 15*7*300S45C Steel Parallel Key 15*8*300S45C Steel Parallel Key 16*10*300S45C Steel Parallel Key 16*12*300S45C Steel Parallel Key 16*14*300S45C Steel Parallel Key 16*16*300S45C Steel Parallel Key 16*8*300S45C Steel Parallel Key 16*9*300S45C Steel Parallel Key 18*10*300S45C Steel Parallel Key 18*11*300S45C Steel Parallel Key 18*12*300S45C Steel Parallel Key 18*13*300S45C Steel Parallel Key 18*14*300S45C Steel Parallel Key 18*15*300S45C Steel Parallel Key 18*16*300S45C Steel Parallel Key 18*18*300S45C Steel Parallel Key 18*7*300S45C Steel Parallel Key 18*8*300S45C Steel Parallel Key 2*2*300S45C Steel Parallel Key 20*10*300S45C Steel Parallel Key 20*11*300S45C Steel Parallel Key 20*12*300S45C Steel Parallel Key 20*13*300S45C Steel Parallel Key 20*14*300S45C Steel Parallel Key 20*15*300S45C Steel Parallel Key 20*16*300S45C Steel Parallel Key 20*18*300S45C Steel Parallel Key 20*20*300S45C Steel Parallel Key 20*5*300S45C Steel Parallel Key 20*6*300S45C Steel Parallel Key 20*8*300…see all 129 items →

SS304 Parallel Key Bar Stock(90 items)

SS304 Parallel Key 10*10*300SS304 Parallel Key 10*5*300SS304 Parallel Key 10*6*300SS304 Parallel Key 10*8*300SS304 Parallel Key 11*11*300SS304 Parallel Key 12*10*300SS304 Parallel Key 12*12*300SS304 Parallel Key 12*5*300SS304 Parallel Key 12*6*300SS304 Parallel Key 12*8*300SS304 Parallel Key 13*13*300SS304 Parallel Key 14*10*300SS304 Parallel Key 14*12*300SS304 Parallel Key 14*14*300SS304 Parallel Key 14*6*300SS304 Parallel Key 14*7*300SS304 Parallel Key 14*8*300SS304 Parallel Key 14*9*300SS304 Parallel Key 15*10*300SS304 Parallel Key 15*12*300SS304 Parallel Key 15*15*300SS304 Parallel Key 15*8*300SS304 Parallel Key 16*10*300SS304 Parallel Key 16*12*300SS304 Parallel Key 16*14*300SS304 Parallel Key 16*16*300SS304 Parallel Key 17*17*300SS304 Parallel Key 18*11*300SS304 Parallel Key 18*12*300SS304 Parallel Key 18*14*300SS304 Parallel Key 18*16*300SS304 Parallel Key 18*18*300SS304 Parallel Key 20*10*300SS304 Parallel Key 20*12*300SS304 Parallel Key 20*14*300SS304 Parallel Key 20*15*300SS304 Parallel Key 20*16*300SS304 Parallel Key 20*18*300SS304 Parallel Key 20*20*300SS304 Parallel Key 20*8*300SS304 Parallel Key 22*12*300SS304 Parallel Key 22*14*300SS304 Parallel Key 22*16*300SS304 Parallel Key 22*18*300SS304 Parallel Key 22*20*300SS304 Parallel Key 22*22*300SS304 Parallel Key 24*10*300SS304 Parallel Key 24*12*300SS304 Parallel Key 24*14*300SS304 Parallel Key 24*16*300SS304 Parallel Key 24*18*300SS304 Parallel Key 24*20*300SS304 Parallel Key 24*8*300SS304 Parallel Key 25*10*300SS304 Parallel Key 25*12*300SS304 Parallel Key 25*14*300SS304 Parallel Key 25*16*300SS304 Parallel Key 25*18*300SS304 Parallel Key 25*20*300SS304 Parallel Key 25*8*300…see all 90 items →

SS316 Parallel Key Bar Stock(2 items)

SS316 Parallel Key 4*4*300SS316 Square Key 7*7*300

Carbon Steel Woodruff Key(24 items)

Carbon Steel Woodruff Key 10*32*13Carbon Steel Woodruff Key 10*38*13Carbon Steel Woodruff Key 10*43*16Carbon Steel Woodruff Key 2*10*3.7Carbon Steel Woodruff Key 2*7*2.6Carbon Steel Woodruff Key 2.5*10*3.7Carbon Steel Woodruff Key 3*10*3.7Carbon Steel Woodruff Key 3*13*5Carbon Steel Woodruff Key 3*16*6.5Carbon Steel Woodruff Key 3*19*7.5Carbon Steel Woodruff Key 4*13*5Carbon Steel Woodruff Key 4*16*6.5Carbon Steel Woodruff Key 4*19*7.5Carbon Steel Woodruff Key 5*16*6.5Carbon Steel Woodruff Key 5*19*7.5Carbon Steel Woodruff Key 5*22*9Carbon Steel Woodruff Key 5*25*10Carbon Steel Woodruff Key 6*22*9Carbon Steel Woodruff Key 6*25*10Carbon Steel Woodruff Key 6*28*11Carbon Steel Woodruff Key 6*32*13Carbon Steel Woodruff Key 8*25*10Carbon Steel Woodruff Key 8*28*11Carbon Steel Woodruff Key 8*32*13

INCH S45C Steel Parallel Key Bar Stock(29 items)

S45C Steel Parallel Key 1"*1"*300SS400 Parallel Key 1-1/2"*1-1/2"*300S45C Steel Parallel Key 1-1/2"*1-1/2"*350S45C Steel Parallel Key 1-1/4"*5/8"*300S45C Steel Parallel Key 1-1/4"*1"*300S45C Steel Parallel Key 1-1/4"*1-1/4"*300S45C Steel Parallel Key 1-1/8"*1"*300S45C Steel Parallel Key 1-1/8"*1-1/8"*300S45C Steel Parallel Key 1/2"*1/2"*300S45C Steel Parallel Key 1/2"*1/4"*300S45C Steel Parallel Key 1/2"*3/8"*300S45C Steel Parallel Key 1/2"*5/16"*300S45C Steel Parallel Key 1/4"*1/4"*300S45C Steel Parallel Key 1/8"*1/8"*300S45C Steel Parallel Key 17/64"*17/64"*300S45C Steel Parallel Key 3/16"*3/16"*300S45C Steel Parallel Key 3/4"*1/2"*300S45C Steel Parallel Key 3/4"*3/4"*300S45C Steel Parallel Key 3/8"*3/8"*300S45C Steel Parallel Key 3/8"*5/16"*300S45C Steel Parallel Key 5/16"*5/16"*300S45C Steel Parallel Key 5/32*5/32*300S45C Steel Parallel Key 5/8"*3/8"*300S45C Steel Parallel Key 5/8"*5/8"*300S45C Steel Parallel Key 7/16"*3/8"*300S45C Steel Parallel Key 7/16"*7/16"*300S45C Steel Parallel Key 7/8"*7/8"*300S45C Steel Parallel Key 9/16"*3/8"*300S45C Steel Parallel Key 9/16"*9/16"*300

INCH SS304 Parallel Key Bar Stock(16 items)

SS304 Parallel Key 1"*1"*300SS304 Parallel Key 1/2"*1/2"*300SS304 Parallel Key 1/2"*3/8"*300SS304 Parallel Key 1/4*1/4*300SS304 Parallel Key 1/8"*1/8"*300SS304 Parallel Key 3/16"*3/16"*300SS304 Parallel Key 3/4*3/4*300SS304 Parallel Key 3/8"*3/8"*300SS304 Parallel Key 3/8"*5/16"*300SS304 Parallel Key 5/16"*1/4"*300SS304 Parallel Key 5/16"*5/16"*300SS304 Parallel Key 5/32"*5/32"*300SS304 Parallel Key 5/8"*5/8"*300SS304 Parallel Key 7/16*7/16*300SS304 Parallel Key 7/8"*7/8"*300SS304 Parallel Key 9/16"*9/16"*300

Related categories

Key Stock (300/350mm)Inch KeysRetaining RingDowel Pin