销售商 | 型号 | 制造商 | 功能描述 | 价格 |
 Allied Electronics | 1921B | Keystone Electronics | Standoff, 1/4 Hex, Female, Threaded 4-40, Length .500, Stainless Steel | +100:$1.06 +200:$1.04 +500:$1.02 +1000:$1.00 |
 Allied Electronics | 1921B | Keystone Electronics Corp | THREADED STANDOFF | 1 : $1.4219 25 : $1.2926 50 : $1.1849
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 Area51 | 1921B | Keystone Electronics Corp | | 价格未公开 |
 Digi-Key 得捷电子 | 1921B | Keystone Electronics | HEX STANDOFF #4-40 SS 1/2" | $1.43000 |
 Digi-Key 得捷电子 | 1921B | Keystone Electronics Corp | HEX STANDOFF 4-40 S STEEL 1/2" | 500 : $1.21976 250 : $1.32432 100 : $1.4637 50 : $1.5334 10 : $1.708 1 : $2.66
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 Digi-Key 得捷电子 | 1921B | Keystone Electronics | 电路板衬垫,支座 - 硬件,紧固件,配件 支架与垫片 4-40 .500 HEX STDOFF 机电产品 | 1+:¥20.96 10+:¥13.47 50+:¥12.1 100+:¥11.5399 250+:¥10.45 500+:¥9.62 1000+:¥8.8 2500+:¥7.6899 5000+:¥7.31 |
 Future Electronics | 1921B | Keystone Electronics Corp | Slim line .250 Long Lock In Insulated PC Spacer RoHS : Compliant | 10 : $1.5444 300 : $1.3778
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 Heilind | 1921B | Keystone Electronics Corp | | 1+:¥20.96 10+:¥13.47 50+:¥12.1 100+:¥11.5399 250+:¥10.45 500+:¥9.62 1000+:¥8.8 2500+:¥7.6899 5000+:¥7.311+:¥13.25 100+:¥9.11 500+:¥7.7099 1000+:¥6.83 2000+:¥6.81+:¥23.43 |
 Heilind Electronics | 1921B | Keystone Electronics Corp | | 100 : $2.664
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 Mouser 贸泽电子 | 1921B | Keystone Electronics | 支架与垫片 4-40 .500 HEX STDOFF | 1:¥13.2888 10:¥10.5994 50:¥10.0683 100:¥9.0626
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 Mouser 贸泽电子 | 1921B | Keystone Electronics | 电路板衬垫,支座 - 硬件,紧固件,配件 支架与垫片 4-40 .500 HEX STDOFF 机电产品 | 1+:¥20.96 10+:¥13.47 50+:¥12.1 100+:¥11.5399 250+:¥10.45 500+:¥9.62 1000+:¥8.8 2500+:¥7.6899 5000+:¥7.311+:¥13.25 100+:¥9.11 500+:¥7.7099 1000+:¥6.83 2000+:¥6.8 |
 Sager | 1921B | Keystone Electronics Corp | Standoffs Hex F/F 6.35mm 4-40 12.7mm Stainless Steel | 1,435 : $1.05
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