DIN 127B - METRIC - Resists Corrosion, Rust, and Stains - To prevent hex head cap screws from looseninghttps://www.calfast.com/13136_6527-lock-washer-metri... COMPARE THIS ITEM$11.52 - $56.06 /100PCFor Bolt Dia. Price PROD # M6 6.1 mm I.D. || 11.8 mm O.D. $11.52 /100PC LWMS6MMA2 M10 10.2 mm I.D. || 18.1 mm O.D. $30.42 /100PC LWMS10MMA2 M12 12.2 mm I.D. || 21.1 mm O.D. $29.30 /100PC LWMS12MMA2 M14 14.2 mm I.D. || 24.1 mm O.D. $12.20 /100PC LWMS14MMA2 M16 16.2 mm I.D. || 27.4 mm O.D. $56.06 /100PC LWMS16MMA2 
ASME / ANSI B18.21.1 -1999 - IMPERIAL - Corrosion resistant plating - For use with nuts & bolts to aid in preventing them from looseninghttps://www.calfast.com/20601_6634-lock-washer-inter... COMPARE THIS ITEM$4.85 - $144.36 /100PCFor Bolt Dia. Price PROD # #8 .381-.365 O.D. $4.85 /100PC LWZINT8 #10 .410-.395 O.D. $5.97 /100PC LWZINT10 1/4" .510-.494 O.D. $7.84 /100PC LWZINT004 5/16" .610-.588 O.D. $11.81 /100PC LWZINT005 3/8" .694-.670 O.D. $16.25 /100PC LWZINT006 7/16" .760-.740 O.D. $22.90 /100PC LWZINT007 1/2" .900-.880 O.D. $24.79 /100PC LWZINT008 5/8" 1.070-1.045 O.D. $58.94 /100PC LWZINT010 3/4" 1.245-1.220 O.D. $79.40 /100PC LWZINT012 1" 1.637-1.590 O.D. $144.36 /100PC LWZINT016 
ASME / ANSI B18.21.1 - IMPERIAL - Superior corrosion resistance to chemicals, food, mild acids, water & air - Prevent nuts & bolts looseninghttps://www.calfast.com/20599_6659-lock-washer-inter... COMPARE THIS ITEM$6.67 /100PCFor Bolt Dia. Price PROD # #10 .410-.395 O.D. $6.67 /100PC LWS410INT003 
ASME / ANSI B18.21.1 - IMPERIAL - Highest Corrosion Resistance - To prevent nuts & bolts loosening in severe environmental applicationshttps://www.calfast.com/13166_6575-lock-washer-helic... COMPARE THIS ITEM$10.74 - $149.21 /100PC
ASME / ANSI B18.21.1 - IMPERIAL - Corrosion Resistant - To prevent nuts & bolts loosening in outdoor applicationshttps://www.calfast.com/13176_0-lock-washer-helical-... COMPARE THIS ITEM$48.17 /100PC
ASME / ANSI B18.21.1 - IMPERIAL - Superior corrosion resistance to chemicals, food, mild acids, water & air - Prevent nuts & bolts looseninghttps://www.calfast.com/13173_6611-lock-washer-exter... COMPARE THIS ITEM$0.67 - $6.02 /100PCFor Bolt Dia. Price PROD # #4 .260-.245 O.D. $0.67 /100PC LWS410EXT4 #8 .381-.365 O.D. $4.45 /100PC LWS410EXT8 #10 .410-.395 O.D. $6.02 /100PC LWS410EXT003 
ASME / ANSI B18.21.1 -1999 - IMPERIAL - GRADE 8 - Salt Corrosion Resistant - Prevent nuts & bolts from looseninghttps://www.calfast.com/20598_6601-lock-washer-helic... COMPARE THIS ITEM$8.51 - $1,137.41 /100PCFor Bolt Dia. Price PROD # 1/4" .109 inch Width $8.51 /100PC LWZ004G8 5/16" .125 inch Width $14.85 /100PC LWZ005G8 3/8" .141 inch Width $20.64 /100PC LWZ006G8 7/16" .156 inch Width $24.42 /100PC LWZ007G8 1/2" .171 inch Width $39.57 /100PC LWZ008G8 9/16" .188 inch Width $55.69 /100PC LWZ009G8 5/8" .203 inch Width $70.34 /100PC LWZ010G8 3/4" .234 inch Width $147.19 /100PC LWZ012G8 7/8" .266inch Width $169.62 /100PC LWZ014G8 1" .297 inch Width $139.18 /100PC LWZ016G8 1-1/8" .328 inch Width $310.62 /100PC LWZ018G8 1-1/4" .359 inch Width $491.41 /100PC LWZ020G8 1-1/2" .422 inch Width $1,137.41 /100PC LWZ024G8 
DIN 127B - METRIC - Oil Coating Resists Corrosion - To prevent hex head cap screws DIN 931 & DIN 933 from looseninghttps://www.calfast.com/13120_6443-lock-washer-helic... COMPARE THIS ITEM$11.32 - $52.56 /100PCFor Bolt Dia. Price PROD # M6 6.1 mm I.D. || 11.8 mm O.D. $12.12 /100PC LWMB1096MM M8 8.1 mm I.D. || 14.8 mm O.D. $12.82 /100PC LWMB1098MM M10 10.2 mm I.D. || 18.1 mm O.D. $16.70 /100PC LWMB10910MM M12 12.2 mm I.D. || 21.1 mm O.D. $20.43 /100PC LWMB10912MM M14 14.2 mm I.D. || 24.1 mm O.D. $31.16 /100PC LWMB10914MM M16 16.2 mm I.D. || 27.4 mm O.D. $41.38 /100PC LWMB10916MM M20 20.2 mm I.D. || 33.6 mm O.D. $52.56 /100PC LWMB10920MM M22 22.5 mm I.D. || 35.9 mm O.D. $11.32 /100PC LWMB10922MM 
DIN 7980 - METRIC - Zinc Plated - For use with Cheese/Pan Head Screwshttps://www.calfast.com/20596_6554-lock-washer-hi-co... COMPARE THIS ITEM$7.63 /100PCFor Bolt Dia. Price PROD # M14 14.2 mm I.D. || 21.1 mm O.D. $7.63 /100PC LWMZ14MMHC 
ASME / ANSI B18.21.1 - IMPERIAL - Superior Corrosion Resistance - To prevent nuts & bolts loosening in outdoor, wet & food prep applicationshttps://www.calfast.com/20597_6564-lock-washer-helic... COMPARE THIS ITEM$1.78 - $160.06 /100PCFor Bolt Dia. Price PROD # 3/8" .141 inch Width $40.12 /100PC LWS188006 5/8" .203 inch Width $65.63 /100PC LWS188010 3/4" .234 inch Width $132.91 /100PC LWS188012 7/8" .266 Inch Width $160.06 /100PC LWS188014 #4 .040 Inch Width $1.78 /100PC LWS1884 #6 .047 Inch Width $3.08 /100PC LWS1886 #8 .055 Inch Width $4.30 /100PC LWS1888 #10 .062 Inch Width $6.54 /100PC LWS188003 #12 .070 Inch Width $4.91 /100PC LWS18812 1/4" .109 Inch Width $16.32 /100PC LWS188004 5/16" .125 Inch Width $25.84 /100PC LWS188005 7/16" .156 Inch Width $24.44 /100PC LWS188007 1/2" .171 Inch Width $78.89 /100PC LWS188008 
ASME / ANSI B18.21.1 -1999 - IMPERIAL - Corrosion resistant plating - For use with nuts & bolts to aid in preventing them from looseninghttps://www.calfast.com/13177_6583-lock-washer-helic... COMPARE THIS ITEM$1.35 - $140.19 /100PCFor Bolt Dia. Price PROD # #6 .031 inch Width $1.35 /100PC LWZ6 #8 .055 inch Width $1.45 /100PC LWZ8 3/16" .055 inch Width $1.50 /100PC LWZ003 #12 .070 inch Width $1.69 /100PC LWZ12 1/4" .109 inch Width $1.55 /100PC LWZ004 5/16" .125 inch Width $2.17 /100PC LWZ005 3/8" .141 inch Width $3.56 /100PC LWZ006 7/16" .156 inch Width $5.02 /100PC LWZ007 1/2" .171 inch Width $5.96 /100PC LWZ008 9/16" .188 inch Width $9.70 /100PC LWZ009 5/8" .203 inch Width $12.94 /100PC LWZ010 3/4" .234 inch Width $17.73 /100PC LWZ012 7/8" .266inch Width $29.96 /100PC LWZ014 1" .297 inch Width $47.58 /100PC LWZ016 1-1/8" .328 inch Width $67.64 /100PC LWZ018 1-1/4" .359 inch Width $89.87 /100PC LWZ020 1-1/2" .422 inch Width $140.19 /100PC LWZ024 
DIN 127B - METRIC - Zinc Plated - To prevent hex head cap screws DIN 931 & DIN 933 from looseninghttps://www.calfast.com/13147_6542-lock-washer-helic... COMPARE THIS ITEM$5.90 - $78.34 /100PCFor Bolt Dia. Price PROD # M4 4.1 mm I.D. || 7.6 mm O.D. $5.90 /100PC LWMZ4MM M5 5.1 mm I.D. || 9.2 mm O.D. $6.43 /100PC LWMZ5MM M6 6.1 mm I.D. || 11.8 mm O.D. $8.93 /100PC LWMZ6MM M8 8.1 mm I.D. || 14.8 mm O.D. $8.20 /100PC LWMZ8MM M10 10.2 mm I.D. || 18.1 mm O.D. $18.61 /100PC LWMZ10MM M12 12.2 mm I.D. || 21.1 mm O.D. $20.80 /100PC LWMZ12MM M14 14.2 mm I.D. || 24.1 mm O.D. $36.32 /100PC LWMZ14MM M16 16.2 mm I.D. || 27.4 mm O.D. $41.96 /100PC LWMZ16MM M18 18.2 mm I.D. || 29.4 mm O.D. $61.06 /100PC LWMZ18MM M20 20.2 mm I.D. || 33.6 mm O.D. $73.93 /100PC LWMZ20MM M24 24.5 mm I.D. || 40 mm O.D. $78.34 /100PC LWMZ24MM 
ASME / ANSI B18.21.1 -1999 - IMPERIAL - Corrosion resistant plating - For use with nuts & bolts to aid in preventing them from looseninghttps://www.calfast.com/20600_6618-lock-washer-exter... COMPARE THIS ITEM$1.32 - $52.52 /100PCFor Bolt Dia. Price PROD # #4 .260-.245 O.D. $1.32 /100PC LWZEXT4 #6 .320-.305 O.D. $5.66 /100PC LWZEXT6 #8 .381-.365 O.D. $6.39 /100PC LWZEXT8 #10 .410-.395 O.D. $5.75 /100PC LWZEXT10 #12 .475-.460 O.D. $7.19 /100PC LWZEXT12 1/4" .510-.494 O.D. $11.15 /100PC LWZEXT004 5/16" .610-.588 O.D. $16.40 /100PC LWZEXT005 3/8" .694-.670 O.D. $15.65 /100PC LWZEXT006 7/16" .760-.740 O.D. $38.42 /100PC LWZEXT007 1/2" .900-.880 O.D. $31.94 /100PC LWZEXT008 5/8" 1.070-1.045 O.D. $52.52 /100PC LWZEXT010 3/4" 1.245-1.220 O.D. $15.78 /100PC LWZEXT012 7/8" 1.410-1.364 O.D. $31.92 /100PC LWZEXT014 
Brighton-Best - ASME / ANSI B18.21.1 -1999 - IMPERIAL - Oil Coating Resists Corrosion - For use with socket head cap screws and in tight space constraintshttps://www.calfast.com/5375_6415-lock-washer-hi-col... COMPARE THIS ITEM$7.81 - $181.18 /100PCFor Bolt Dia. Price PROD # #10 .200 I.D. ||.294 O.D. $8.09 /100PC BRI013012 1/4" .260 I.D. ||.363 O.D. $7.81 /100PC BRI013014 5/16" .322 I.D. ||.457 O.D. $10.18 /100PC BRI013016 3/8" .385 I.D. ||.550 O.D. $15.29 /100PC BRI013018 7/16" .450 I.D. ||.644 O.D. $19.70 /100PC BRI013020 1/2" .512 I.D. ||.733 O.D. $37.11 /100PC BRI013022 5/8" .641 I.D. ||.917 O.D. $45.27 /100PC BRI013024 3/4" .766 I.D. ||1.105 O.D. $82.66 /100PC BRI013026 7/8" .894 I.D. ||1.291 O.D. $101.74 /100PC BRI013028 1" 1.024 I.D. ||1.478 O.D. $181.18 /100PC BRI013030 
ASME / ANSI B18.21.1 -1999 - IMPERIAL - Galvanized Plating Resists Corrosion - To prevent nuts & bolts loosening in outdoor applications.https://www.calfast.com/13116_6434-lock-washer-helic... COMPARE THIS ITEM$4.27 - $52.10 /100PC
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